📝 update: modify package.json description to indicate early preview status for pnpm workspace extension

Author: lennondotw

package.json

@@ -2,7 +2,7 @@
   "name": "pnpm-workspace",
   "displayName": "pnpm Workspace",
   "version": "0.2.3",
-  "description": "Life-saving extension for pnpm workspace, especially for large-scale monorepo projects",
+  "description": "EARLY PREVIEW | Life-saving extension for pnpm workspace, especially for large-scale monorepo projects",
   "categories": [
     "Other"
   ],