Update Community-Resources.md

Add two examples of GraphQL backends, one using Express, GraphQL and TypeScript, the other is in PHP. It has also its frontend part, so users can actually see how it works together with Relay.

Author: juffalow

site/community/Community-Resources.md

@@ -121,3 +121,5 @@ To explore other community-developed resources and content about GraphQL, take a
 - [awesome-graphql](https://github.com/chentsulin/awesome-graphql): A fantastic community maintained collection of libraries, resources, and more.
 - [graphql-apis](https://github.com/APIs-guru/graphql-apis): A collective list of public GraphQL APIs.
 - [Basically, Full-stack GraphQL](https://github.com/TejasQ/basically-fullstack-graphql): A code-based introduction to working with GraphQL on the client _and_ server in plain English
+- [express-graphql-example](https://github.com/juffalow/express-graphql-example): GraphQL server written in TypeScript with Knex database layer. Clone, start and play.
+- [slim-graphql-eloquent-example](https://github.com/juffalow/slim-graphql-eloquent-example): GraphQL server in PHP and MySQL database.