ignore IDEA files
diff --git a/.gitignore b/.gitignore
index 0e943a7..b9c4c27 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@
 *.iml
 *.ipr
 *.iws
+.idea/
 
 # Ignore Gradle GUI config
 gradle-app.setting