ruby.yml in ronin-code-sql-2.1.0

- old
+ new

@@ -24,5 +24,19 @@
           bundler-cache: true
       - name: Install dependencies
         run: bundle install --jobs 4 --retry 3
       - name: Run tests
         run: bundle exec rake test
+
+  # rubocop linting
+  rubocop:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 3.0
+      - name: Install dependencies
+        run: bundle install --jobs 4 --retry 3
+      - name: Run rubocop
+        run: bundle exec rubocop --parallel