add gitignore

.gitignore

+/bin
+/build
+/gradle
+/gradlew
+/gradlew.bat
+/settings.gradle
+/temp
+/.gradle
+build.xml
+.classpath
+.DS_Store
+.gitignore
+.project
+.settings/org.eclipse.jdt.core.prefs
+src/main/java/.DS_Store
+TODO.txt
+Club_tla.mch
+testing
+Club.prob