Ignore JetBrains IDE project files [ci skip]

crusaderky · jakirkham · commit dc27886481a7 · 2018-05-20T20:28:48.000-04:00
diff --git a/.gitignore b/.gitignore
@@ -10,3 +10,4 @@ __pycache__
 
 # Editor files
 *.swp
+.idea
