Merge pull request #734 from sunli829/master

Add async-graphql to the ecosystems inside the readme

Author: skade

README.md

@@ -141,6 +141,8 @@ documentation] on how to enable them.
 
  * [Xactor](https://crates.io/crates/xactor) — Xactor is a rust actors framework based on async-std.
 
+ * [async-graphql](https://crates.io/crates/async-graphql) — A GraphQL server library implemented in rust, with full support for async/await.
+ 
 ## License
 
 <sup>