Ensure README is included inside chart

Author: CRThaze

.github/workflows/release.yaml

@@ -77,6 +77,10 @@ jobs:
           git config --global user.name 'Github Actions (${{ github.actor }})'
           git config --global user.email '[email protected]'
 
+      - name: Copy README into Chart
+        run: |
+          cp README.md charts/s3proxy/
+
       - name: Run chart-releaser
         uses: bitdeps/[email protected]
         with: