feat: back up omp config (agent settings, commands, extensions, themes, loops, plugins)

plugins/installed_plugins.json

@@ -0,0 +1,14 @@
+{
+  "version": 2,
+  "plugins": {
+    "ponytail@ponytail": [
+      {
+        "scope": "user",
+        "installPath": "/home/prad/.omp/plugins/cache/plugins/ponytail___ponytail___4.13.0",
+        "version": "4.13.0",
+        "installedAt": "2026-10-06T16:12:52.700Z",
+        "lastUpdated": "2026-10-06T16:12:52.700Z"
+      }
+    ]
+  }
+}