Create develop branch that automatically deploys to staging

Author: benface

.github/workflows/ci-cd-staging.yml

@@ -3,7 +3,7 @@ name: Staging CI/CD
 on:
   push:
     branches:
-      - main
+      - develop
 
 env:
   BASE_IMAGE: ghcr.io/graphprotocol/graph-docs-staging
@@ -39,7 +39,6 @@ jobs:
           build-args: NEXT_PUBLIC_BASE_PATH=${{ env.NEXT_PUBLIC_BASE_PATH }}
 
   deploy:
-    if: github.ref == 'refs/heads/main'
     runs-on: ubuntu-latest
     needs: build
     steps: