release checklist

License: MIT
Signed-off-by: Juan Batiz-Benet <juan@benet.ai>

docs/release-checklist.md

+# go-ipfs release checklist
+
+[ ] all tests pass (no exceptions)
+[ ] webui works (for most definitions of 'works')
+[ ] CHANGELOG.md has been updated
+[ ] version string in `repo/config/version.go` has been updated
+[ ] tag commit with vX.Y.Z
+[ ] update release branch to point to release commit