improved checklist

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
+- [ ] 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
+- [ ] ensure version is built in gobuilder