feat(plugins): install and enable skills plugin

plugins/installed_plugins.json

@@ -9,6 +9,15 @@
         "installedAt": "2026-10-06T16:12:52.700Z",
         "lastUpdated": "2026-10-06T16:12:52.700Z"
       }
+    ],
+    "skills@prdlk": [
+      {
+        "scope": "user",
+        "installPath": "/home/prad/.omp/plugins/cache/plugins/prdlk___skills___0.0.0",
+        "version": "0.0.0",
+        "installedAt": "2026-10-17T18:36:05.356Z",
+        "lastUpdated": "2026-10-17T18:36:05.356Z"
+      }
     ]
   }
 }