CI fixes

- Splits up test into fmt, lint and test
- Fixes bug in build-packages.sh
- Minor README.md fixes

ci/steps/test.sh

@@ -11,7 +11,7 @@ main() {
   # If the patch fails to apply, then it's likely already applied
   yarn vscode:patch &> /dev/null || true
 
-  yarn ci
+  yarn test
 }
 
 main "$@"