Add .gitignore

.gitignore

@@ -0,0 +1,43 @@
+# Plugin
+.idea
+testserver
+run
+
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# IntelliJ
+*.iml
+*.ipr
+*.iws
+.idea/
+out/
+
+# Maven
+target/
+
+# 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*
+.gradle
+build/
+!gradle/wrapper/gradle-wrapper.jar
+
+*.bat