chore: update vscode extension description (#1640)

Author: jiashengguo

packages/schema/package.json

@@ -2,7 +2,7 @@
     "name": "zenstack",
     "publisher": "zenstack",
     "displayName": "ZenStack Language Tools",
-    "description": "Build scalable web apps with minimum code by defining authorization and validation rules inside the data schema that closer to the database",
+    "description": "FullStack enhancement for Prisma ORM: seamless integration from database to UI",
     "version": "2.4.1",
     "author": {
         "name": "ZenStack Team"
@@ -13,7 +13,8 @@
         "fullstack",
         "react",
         "typescript",
-        "data modeling"
+        "data modeling",
+        "prisma"
     ],
     "preview": false,
     "icon": "asset/logo-256-bg.png",