added .gitignore

.gitignore

@@ -0,0 +1,53 @@
+# Java
+*.class
+*.ear
+*.nar
+*.war
+.mtj.tmp/
+hs_err_pid*
+replay_pid*
+
+# Maven
+.mvn/timing.properties
+.mvn/wrapper/maven-wrapper.jar
+dependency-reduced-pom.xml
+pom.xml.bak
+pom.xml.next
+pom.xml.releaseBackup
+pom.xml.tag
+pom.xml.versionsBackup
+release.properties
+buildNumber.properties
+
+# IntelliJ IDEA
+.idea/
+.idea_modules/
+*.iml
+*.ipr
+*.iws
+out/
+
+# Eclipse
+.classpath
+.factorypath
+.loadpath
+.metadata
+.project
+.settings/
+*.bak
+*.swp
+*.tmp
+*~.nib
+bin/
+local.properties
+tmp/
+
+# Visual Studio Code
+.code-workspace
+.vscode/
+
+# macOS
+.DS_Store
+
+# Miscellaneous
+*.log