Separate module directory from project iml exclude

Global/JetBrains.gitignore

@@ -26,7 +26,8 @@
 # since they will be recreated, and may cause churn.  Uncomment if using
 # auto-import.
 # .idea/modules.xml
-# .idea/**/*.iml
+# .idea/*.iml
+# .idea/modules
 
 # CMake
 cmake-build-*/