fix: update meta description to be unique

Author: 2color

config.js

@@ -399,7 +399,7 @@ const config = {
   siteMetadata: {
     title: 'Prisma',
     description:
-      'Prisma replaces traditional ORMs and can be used to build GraphQL servers, REST APIs, microservices & more.',
+      "Get started with Prisma in the official documentation, and learn more about all Prisma's features with reference documentation, guides, and more.",
     keywords: 'Docs, prisma, 2.0',
     docsLocation: 'https://github.com/prisma/docs/tree/master/content',
     twitter: {