Add .idea/ to .gitignore

Author: Debakel

{{cookiecutter.repo_name}}/.gitignore

@@ -1,5 +1,5 @@
-# Created by https://www.gitignore.io/api/python
-# Edit at https://www.gitignore.io/?templates=python
+# JetBrains IDEs (PyCharm, ...)
+.idea/
 
 ### Python ###
 # Byte-compiled / optimized / DLL files
@@ -126,5 +126,3 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
-
-# End of https://www.gitignore.io/api/python