Merge pull request #18 from supabase/add-contributing

fix: add contributing guide

Author: laktek

README.md

@@ -1,3 +1,7 @@
 ## Functions Relay
 
 Supabase Functions Relay is the API gateway which is run before any edge function is invoked. For more details see your Functions blog post [here](https://supabase.com/blog/2022/03/31/supabase-edge-functions)
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+### CONTRIBUTING
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+* This repo uses [semantic release](https://github.com/semantic-release/semantic-release) for releases. Follow the semantic release commit guide when making commits.