feat: add @Tag reporting and CSV/plain output

- Default CSV output with header; -plain enables labeled text format
- Extract repeated @Tag and @Tags container values
- Configure JavaParser language level for modern syntax (records)
- Add fixture-based JUnit tests and README usage/examples

.gitignore

@@ -1,4 +1,31 @@
-# ---> Eclipse
+##---------------------------------------------------------------------------------------- Java
+
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+##---------------------------------------------------------------------------------------- Eclipse
+
 .metadata
 bin/
 tmp/
@@ -60,3 +87,23 @@ local.properties
 # Typically, this file would be tracked if it contains build/dependency configurations:
 #.project
 
+# PMD plugin conf
+.pmd
+
+##---------------------------------------------------------------------------------------- Gradle
+.gradle
+**/build/
+!src/**/build/
+
+# Ignore Gradle GUI config
+gradle-app.setting
+
+# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
+!gradle-wrapper.jar
+
+# Cache of project
+.gradletasknamecache
+
+
+# Ignore Gradle build output directory
+build