Add .gitignore

Author: niccolotubini

.gitignore

@@ -0,0 +1,21 @@
+.project
+bin/**
+.classpath
+.settings/
+.gradle
+gradle/*
+gradlew
+gradlew.bat
+
+
+# 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
+
+# # Work around https://youtrack.jetbrains.com/issue/IDEA-116898
+# gradle/wrapper/gradle-wrapper.properties