Update readme.md

Author: multipliedtwice

readme.md

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 ![backticks-codeblocks](./static/typegraphql-prisma-purifier.png)
 
-This package provides a middleware for Express.js applications to manage and filter GraphQL queries based on `.gql` files. It is designed to enhance security and efficiency by allowing only specified queries to be processed by your GraphQL server.
-
 ### [Demo](https://github.com/multipliedtwice/graphql-query-purifier-example)
 
+This package provides a middleware for Express.js applications to manage and filter GraphQL queries based on `.gql` files. It is designed to enhance security and efficiency by allowing only specified queries to be processed by your GraphQL server.
+
 ## Usage with [typegraphql-prisma](https://www.npmjs.com/package/typegraphql-prisma)
 
 TypeGraphQL-Prisma is a powerful integration that significantly simplifies backend development by automatically generating a fully-featured Node.js GraphQL API based on your Prisma schema. It turns your database schema into a fully-typed GraphQL API, making it an excellent tool for developers looking to bootstrap and quickly maintain robust Node.js GraphQL servers.