feat: add folder icon for gemini ai (#3313)

Author: ridemountainpig

icons/folder-gemini-ai-open.svg

@@ -1318,6 +1318,10 @@ export const folderIcons: FolderTheme[] = [
         folderNames: ['.cursor'],
         light: true,
       },
+      {
+        name: 'folder-gemini-ai',
+        folderNames: ['.gemini'],
+      },
       {
         name: 'folder-input',
         folderNames: ['input', 'inputs', 'io', 'in'],