build: update .gitignore

.gitignore

@@ -1,6 +1,6 @@
 /target
-/src/main/webapp/**/**.jar
+#/src/main/webapp/**/**.jar
-/src/main/webapp/**/**.class
+#/src/main/webapp/**/**.class
 
 
 HELP.md
@@ -38,6 +38,50 @@ out/
 /nbdist/
 /.nb-gradle/
 
+
+# Scala IDE specific (Scala & Java development for Eclipse)
+.cache-main
+.scala_dependencies
+.worksheet
+
+# Uncomment this line if you wish to ignore the project description file.
+# Typically, this file would be tracked if it contains build/dependency configurations:
+#.project
+
+.svn
+
+# ---> 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*
+replay_pid*
+
+
 ### VS Code ###
 .vscode/
 .vs/
+
+
+# thkim
+.classpath
+.project