Add Gemini CLI extension manifest (#436)

Author: edgarsskore

gemini-extension.json

@@ -0,0 +1,13 @@
+{
+  "name": "desktop-commander",
+  "version": "1.0.0",
+  "description": "MCP server for terminal commands, process management, and file operations across text, code, PDF, DOCX, Excel, images, and structured data",
+  "mcpServers": {
+    "desktop-commander": {
+      "command": "npx",
+      "args": ["-y", "@wonderwhy-er/desktop-commander"]
+    }
+  },
+  "contextFileName": "README.md",
+  "excludeTools": []
+}