feat: add graphql.md.

Author: jaywcjlove

README.md

@@ -35,6 +35,7 @@ Quick Reference
 [Dockerfile](./docs/dockerfile.md)<!--rehype:style=background: rgb(0 72 153/var(\-\-bg\-opacity));&class=tag&data-lang=Docker-->
 [Django](./docs/djiango.md)<!--rehype:style=background: rgb(12 75 51/var(\-\-bg\-opacity));&class=contributing tag&data-lang=Python-->
 [Golang](./docs/golang.md)<!--rehype:style=background: rgb(39 160 193/var(\-\-bg\-opacity));-->
+[GraphQL](./docs/graphql.md)<!--rehype:style=background: rgb(214 66 146/var(\-\-bg\-opacity));-->
 [INI](./docs/ini.md)<!--rehype:style=background: rgb(57 59 60/var(\-\-bg\-opacity));-->
 [JSON](./docs/json.md)<!--rehype:style=background: rgb(57 59 60/var(\-\-bg\-opacity));-->
 [Java](./docs/java.md)<!--rehype:style=background: rgb(211 55 49/var(\-\-bg\-opacity));&class=contributing&data-info=👆看看还缺点儿什么？-->