PR for http://jira.baeldung.com/browse/BAEL-1947 Spring Boot Vue (#4687)

* commit first as binodpanta

* revert test change

* A short example of real-time event streaming using Spring WebFlux

* Code for http://jira.baeldung.com/browse/BAEL-1527

* remove unrelated files

* Apply feedback changes to rename test and remove link from readme file, ongoing work

* Update formatting fixes to code and add pom changes, that partially fix test runnning issues in IDE but not in cmdline

* Apply Eclipse formatter to test code and apply suggested pom fixes

* BAEL-1527 Formatting fix in pom.xml

* Use string.format to cleanup logging code

* BAEL-1527 Changed logging pattern

* Start the spring-boot-vue module, WIP

* some small updates with comments

* Add index html template page

* merge pom.xml fixes

* Add integration test with MockMvc to verify index.html content is rendered correctly

* fix up pom merge issues

* merge issues fix for pom

* pom end of file newline

spring-boot-vue/src/main/java/com/baeldung/springbootmvc/controllers/MainController.java

@@ -0,0 +1,18 @@
+package com.baeldung.springbootmvc.controllers;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+
+@Controller
+public class MainController {
+
+    @RequestMapping(value = "/", method = RequestMethod.GET)
+    public String index(Model model) {
+        // this attribute will be available in the view index.html as a thymeleaf variable
+        model.addAttribute("eventName", "FIFA 2018");
+        // this just means render index.html from static/ area
+        return "index";
+    }
+}