Check formatting during CI

Author: aryaemami59

.github/workflows/tests.yml

@@ -49,6 +49,9 @@ jobs:
       - name: Lint
         run: yarn lint
 
+      - name: Check formatting
+        run: yarn format:check
+
       # Read existing version, reuse that, add a Git short hash
       - name: Set build version to Git commit
         run: node scripts/writeGitVersion.mjs $(git rev-parse --short HEAD)