Add whole of .idea/ to .gitignore

.gitignore

@@ -20,21 +20,8 @@ local.properties
 # Signing files
 .signing/
 
-# User-specific configurations
-.idea/libraries/
-.idea/workspace.xml
-.idea/tasks.xml
-.idea/.name
-.idea/compiler.xml
-.idea/copyright/profiles_settings.xml
-.idea/encodings.xml
-.idea/misc.xml
-.idea/modules.xml
-.idea/scopes/scope_settings.xml
-.idea/vcs.xml
-.idea/dictionaries/
-.idea/caches/
-.idea/codeStyles/
+# Intellij
+.idea/
 *.iml
 
 # OS-specific files