Merge pull request graphql#1171 from setchy/github-links

GitHub links

Author: orta

src/content/code/services/altair.md

@@ -2,6 +2,5 @@
 name: Altair
 description: An alternative to Postman that supports editing GraphQL queries directly and autoload your GraphQL schema.
 url: https://altair.sirmuel.design/
+github: altair-graphql/altair
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src/content/code/services/elide.md

@@ -2,6 +2,5 @@
 name: Elide
 description: A Java library that can expose a JPA annotated data model as a GraphQL service over any relational database.
 url: https://elide.io
+github: yahoo/elide
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src/content/code/services/postman.md

@@ -2,6 +2,5 @@
 name: Postman
 description: An HTTP Client that supports editing GraphQL queries.
 url: https://learning.postman.com/docs/sending-requests/supported-api-frameworks/graphql/
+github: postmanlabs/postman-app-support
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