chore: update vscode extension description (#1622)

Author: jiashengguo

packages/schema/README.md

@@ -1,6 +1,6 @@
 # ZenStack VS Code Extension
 
-[ZenStack](https://zenstack.dev) is a toolkit that simplifies the development of a web app's backend. It supercharges [Prisma ORM](https://prisma.io) with a powerful access control layer and unleashes its full potential for web development.
+[ZenStack](https://zenstack.dev) is a toolkit that simplifies the development of a web app's backend. It enhances [Prisma ORM](https://prisma.io) with flexible Authorization and auto-generated, type-safe APIs/hooks, simplifying full-stack development.
 
 This VS Code extension provides code editing helpers for authoring ZenStack's schema files (.zmodel files).
 

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": "2.3.3",
     "author": {
         "name": "ZenStack Team"