Fix #91 Add formatJavadoc configurable support

Author: reda-alaoui

README.md

@@ -100,9 +100,15 @@ The plugin allows you to tweak Google Java Format options :
       </dependencies>        
       <configuration>
         <formatterOptions>
+          <!-- Use AOSP style instead of Google Style (4-space indentation). -->
           <googleJavaFormat.aosp>false</googleJavaFormat.aosp>
+          <!-- Format the javadoc -->
+          <googleJavaFormat.formatJavadoc>true</googleJavaFormat.formatJavadoc>
+          <!-- Fix import order and remove any unused imports, but do no other formatting. -->
           <googleJavaFormat.fixImportsOnly>false</googleJavaFormat.fixImportsOnly>
+          <!-- Do not fix the import order. Unused imports will still be removed. -->
           <googleJavaFormat.skipSortingImports>false</googleJavaFormat.skipSortingImports>
+          <!-- Do not remove unused imports. Imports will still be sorted. -->
           <googleJavaFormat.skipRemovingUnusedImports>false</googleJavaFormat.skipRemovingUnusedImports>
         </formatterOptions>
       </configuration>
@@ -111,19 +117,6 @@ The plugin allows you to tweak Google Java Format options :
 </build>
 ```
 
-Documentation from the google-java-format CLI tool :
-
-```
---aosp, -aosp, -a
-  Use AOSP style instead of Google Style (4-space indentation).
---fix-imports-only
-  Fix import order and remove any unused imports, but do no other formatting.
---skip-sorting-imports
-  Do not fix the import order. Unused imports will still be removed.
---skip-removing-unused-imports
-  Do not remove unused imports. Imports will still be sorted.
-```
-
 ## JDK 16+ peculiarities
 
 Since google-java-format uses JDK internal apis, if you need to run the plugin with JDK 16+, you must pass some additional arguments to the JVM.

google-java-format/src/main/java/com/cosium/code/format_gjf/GoogleJavaFormatterOptions.java

@@ -12,6 +12,7 @@
 class GoogleJavaFormatterOptions {
 
   private final JavaFormatterOptions.Style style;
+  private final boolean formatJavadoc;
   private final boolean fixImportsOnly;
   private final boolean skipSortingImports;
   private final boolean skipRemovingUnusedImports;
@@ -23,6 +24,7 @@ public GoogleJavaFormatterOptions(CodeFormatterConfiguration configuration) {
     } else {
       style = GOOGLE;
     }
+    formatJavadoc = configuration.getValue("formatJavadoc").map(Boolean::parseBoolean).orElse(true);
     fixImportsOnly =
         configuration.getValue("fixImportsOnly").map(Boolean::parseBoolean).orElse(false);
     skipSortingImports =
@@ -35,7 +37,7 @@ public GoogleJavaFormatterOptions(CodeFormatterConfiguration configuration) {
   }
 
   public JavaFormatterOptions javaFormatterOptions() {
-    return JavaFormatterOptions.builder().style(style).build();
+    return JavaFormatterOptions.builder().style(style).formatJavadoc(formatJavadoc).build();
   }
 
   public boolean isFixImportsOnly() {