Add .idea to gitignore
Add .idea to gitignore

yjliugit/gradletest,WonderCsabo/deckard-maven,Mounika-Chirukuri/deckard,seadowg/windsock-android,eggertj12/Oturgjold,vogellacompany/deckard-gradle,robolectric/deckard-maven,sweetleon/android-sample-todo-list,DroidsOnRoids/deckard-gradle,toshihirock/AndroidEspresso2Sample,seadowg/deckard-gradle,seadowg/windsock-android,403462630/deckard-gradle-test,robolectric/deckard,0359xiaodong/deckard,jdonmoyer/deckard-gradle,ankitrokdeonsns/sulabh-android-app,WonderCsabo/deckard-gradle,robolectric/deckard-maven,seadowg/windsock-android