gitignore .idea dir (carbon-language#1704)

cyberkillor · web-flow · commit eded7ee2706f · 2022-07-25T09:01:32.000-07:00
Related issue = close carbon-language#1703
diff --git a/.gitignore b/.gitignore
@@ -11,6 +11,9 @@
 # Ignore the user's VSCode settings.
 /.vscode/settings.json
 
+# Ignore the user's Idea settings.
+/.idea/
+
 # Directories created by clangd
 /.cache/clangd
 
