Add DingTalk Workspace stable-release skills

plugins/codex/.agents/plugins/marketplace.json

@@ -4,6 +4,18 @@
     "displayName": "EAPIL 技能市场"
   },
   "plugins": [
+    {
+      "name": "dingtalk-workspace",
+      "source": {
+        "source": "local",
+        "path": "./plugins/dingtalk-workspace"
+      },
+      "policy": {
+        "installation": "AVAILABLE",
+        "authentication": "ON_INSTALL"
+      },
+      "category": "Productivity"
+    },
     {
       "name": "docx",
       "source": {