diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..bd6fd30
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.idea/
+.gradle/
diff --git a/.gradle/5.2.1/executionHistory/executionHistory.bin b/.gradle/5.2.1/executionHistory/executionHistory.bin
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index d81a6f2..0000000
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diff --git a/.gradle/5.2.1/executionHistory/executionHistory.lock b/.gradle/5.2.1/executionHistory/executionHistory.lock
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diff --git a/.gradle/5.2.1/fileChanges/last-build.bin b/.gradle/5.2.1/fileChanges/last-build.bin
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diff --git a/.gradle/5.2.1/fileHashes/fileHashes.bin b/.gradle/5.2.1/fileHashes/fileHashes.bin
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diff --git a/.gradle/5.2.1/gc.properties b/.gradle/5.2.1/gc.properties
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index e69de29..0000000
diff --git a/.gradle/buildOutputCleanup/buildOutputCleanup.lock b/.gradle/buildOutputCleanup/buildOutputCleanup.lock
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diff --git a/.gradle/buildOutputCleanup/cache.properties b/.gradle/buildOutputCleanup/cache.properties
deleted file mode 100644
index 706af31..0000000
--- a/.gradle/buildOutputCleanup/cache.properties
+++ /dev/null
@@ -1,2 +0,0 @@
-#Mon Apr 20 16:58:16 KST 2020
-gradle.version=5.2.1
diff --git a/.gradle/buildOutputCleanup/outputFiles.bin b/.gradle/buildOutputCleanup/outputFiles.bin
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diff --git a/.gradle/vcs-1/gc.properties b/.gradle/vcs-1/gc.properties
deleted file mode 100644
index e69de29..0000000
diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
deleted file mode 100644
index 0bdabdd..0000000
--- a/.idea/codeStyles/Project.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<component name="ProjectCodeStyleConfiguration">
-  <code_scheme name="Project" version="173">
-    <codeStyleSettings language="JAVA">
-      <option name="RIGHT_MARGIN" value="105" />
-      <option name="WRAP_ON_TYPING" value="1" />
-      <indentOptions>
-        <option name="USE_TAB_CHARACTER" value="true" />
-      </indentOptions>
-    </codeStyleSettings>
-  </code_scheme>
-</component>
\ No newline at end of file
diff --git a/.idea/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml
deleted file mode 100644
index a55e7a1..0000000
--- a/.idea/codeStyles/codeStyleConfig.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<component name="ProjectCodeStyleConfiguration">
-  <state>
-    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
-  </state>
-</component>
\ No newline at end of file
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
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--- a/.idea/compiler.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CompilerConfiguration">
-    <annotationProcessing>
-      <profile default="true" name="Default" enabled="true" />
-    </annotationProcessing>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
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--- a/.idea/gradle.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="GradleSettings">
-    <option name="linkedExternalProjectsSettings">
-      <GradleProjectSettings>
-        <option name="distributionType" value="DEFAULT_WRAPPED" />
-        <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleHome" value="/usr/local/Cellar/gradle/5.5.1/libexec" />
-        <option name="modules">
-          <set>
-            <option value="$PROJECT_DIR$" />
-          </set>
-        </option>
-        <option name="useAutoImport" value="true" />
-        <option name="useQualifiedModuleNames" value="true" />
-      </GradleProjectSettings>
-    </option>
-  </component>
-</project>
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diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
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index fdc392f..0000000
--- a/.idea/jarRepositories.xml
+++ /dev/null
@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RemoteRepositoriesConfiguration">
-    <remote-repository>
-      <option name="id" value="central" />
-      <option name="name" value="Maven Central repository" />
-      <option name="url" value="https://repo1.maven.org/maven2" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="jboss.community" />
-      <option name="name" value="JBoss Community repository" />
-      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
-    </remote-repository>
-    <remote-repository>
-      <option name="id" value="MavenRepo" />
-      <option name="name" value="MavenRepo" />
-      <option name="url" value="https://repo.maven.apache.org/maven2/" />
-    </remote-repository>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
deleted file mode 100644
index eb9263b..0000000
--- a/.idea/misc.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8 (2)" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/out" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
deleted file mode 100644
index fa37f5f..0000000
--- a/.idea/workspace.xml
+++ /dev/null
@@ -1,65 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ChangeListManager">
-    <list default="true" id="d4baa9bc-c7e9-478c-8fb3-f56ac2c1dee0" name="Default Changelist" comment="" />
-    <option name="SHOW_DIALOG" value="false" />
-    <option name="HIGHLIGHT_CONFLICTS" value="true" />
-    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
-    <option name="LAST_RESOLUTION" value="IGNORE" />
-  </component>
-  <component name="DefaultGradleProjectSettings">
-    <option name="isMigrated" value="true" />
-  </component>
-  <component name="ExternalProjectsData">
-    <projectState path="$PROJECT_DIR$">
-      <ProjectState />
-    </projectState>
-  </component>
-  <component name="ProjectId" id="1anRgVINiOqlJOrNOfbtP6Dc1Hi" />
-  <component name="ProjectViewState">
-    <option name="hideEmptyMiddlePackages" value="true" />
-    <option name="showExcludedFiles" value="true" />
-    <option name="showLibraryContents" value="true" />
-  </component>
-  <component name="PropertiesComponent">
-    <property name="RunOnceActivity.ShowReadmeOnStart" value="true" />
-    <property name="WebServerToolWindowFactoryState" value="false" />
-    <property name="aspect.path.notification.shown" value="true" />
-    <property name="last_opened_file_path" value="$PROJECT_DIR$/src/main/java/com/lannstark" />
-    <property name="nodejs_interpreter_path.stuck_in_default_project" value="undefined stuck path" />
-    <property name="nodejs_npm_path_reset_for_default_project" value="true" />
-    <property name="settings.editor.selected.configurable" value="reference.projectsettings.compiler.annotationProcessors" />
-  </component>
-  <component name="RecentsManager">
-    <key name="CopyFile.RECENT_KEYS">
-      <recent name="$PROJECT_DIR$/src/main/java/com/lannstark" />
-    </key>
-  </component>
-  <component name="SvnConfiguration">
-    <configuration />
-  </component>
-  <component name="TaskManager">
-    <task active="true" id="Default" summary="Default task">
-      <changelist id="d4baa9bc-c7e9-478c-8fb3-f56ac2c1dee0" name="Default Changelist" comment="" />
-      <created>1587369482920</created>
-      <option name="number" value="Default" />
-      <option name="presentableId" value="Default" />
-      <updated>1587369482920</updated>
-      <workItem from="1587369484233" duration="893000" />
-    </task>
-    <servers />
-  </component>
-  <component name="TypeScriptGeneratedFilesManager">
-    <option name="version" value="1" />
-  </component>
-  <component name="WindowStateProjectService">
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-  </component>
-</project>
\ No newline at end of file