Add workflows verifying bash and commit messages

This PR adds the first two workflows:
1. Bash linter
2. Commit message verification

.forgejo/workflows/check-commit-message.yml

@@ -28,7 +28,6 @@ jobs:
           fi
           echo "Subject start check passed."
 
-      - name: Check Subject Length
         run: |
           echo "Checking subject length..."
           commit_subject=$(git log -1 --pretty=%B | head -n 1)