Update .gitignore

.gitignore

@@ -1,23 +1,21 @@
-# Compiled class file
 *.class
+.gradle
 
-# Log file
-*.log
-
-# BlueJ files
-*.ctxt
-
-# Mobile Tools for Java (J2ME)
-.mtj.tmp/
+# IDEs
+.idea
+*.iml
+build/
+.classpath
+.project
+.settings/
+bin/
+.vscode/
 
 # Package Files #
 *.jar
+!gradle/wrapper/gradle-wrapper.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*