Merge pull request #3478 from eksperimental/contributing

link to search issues

Author: josevalim

CONTRIBUTING.md

@@ -30,8 +30,8 @@ Good bug reports are extremely helpful - thank you!
 
 Guidelines for bug reports:
 
-1. **Use the GitHub issue search** — check if the issue has already been
-   reported.
+1. **Use the GitHub issue search** — [check if the issue has already been
+   reported](https://github.com/elixir-lang/elixir/search?type=Issues).
 
 2. **Check if the issue has been fixed** — try to reproduce it using the
    `master` branch in the repository.