chore: add icon in .idea (langgenius#5259)

Signed-off-by: Gallardot <[email protected]>

Author: Gallardot

.gitignore

@@ -136,6 +136,7 @@ web/.vscode/settings.json
 # Intellij IDEA Files
 .idea/*
 !.idea/vcs.xml
+!.idea/icon.png
 .ideaDataSources/
 
 api/.env