[maven-release-plugin] prepare release j2html-1.0.0

Fixed a bug (maybe) where a delimiter was not being used

pom.xml

@@ -10,7 +10,7 @@
 
     <groupId>com.j2html</groupId>
     <artifactId>j2html</artifactId>
-    <version>1.0.0-RC</version>
+    <version>1.0.0</version>
 
     <name>j2html</name>
     <description>Java to HTML builder with a fluent API</description>

src/main/java/j2html/tags/DomContentJoiner.java

@@ -6,9 +6,9 @@ public class DomContentJoiner {
         StringBuilder sb = new StringBuilder();
         for (Object o : stringOrDomObjects) {
             if (o instanceof String) {
-                sb.append(((String) o).trim()).append(" ");
+                sb.append(((String) o).trim()).append(delimiter);
             } else if (o instanceof DomContent) {
-                sb.append(((DomContent) o).render().trim()).append(" ");
+                sb.append(((DomContent) o).render().trim()).append(delimiter);
             } else {
                 throw new RuntimeException("You can only join DomContent and String objects");
             }