chore: add github actions

.github/workflows/code-quality.yaml

@@ -0,0 +1,36 @@
+name: Code Quality
+
+on:
+  push:
+
+jobs:
+  format:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v5
+
+      - name: Setup Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: .ruby-version
+          bundler-cache: true
+
+      - name: Check formatting
+        run: bundle exec rubocop --only Layout --parallel
+
+  lint:
+    runs-on: ubuntu-latest
+    needs: format
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v5
+
+      - name: Setup Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: .ruby-version
+          bundler-cache: true
+
+      - name: Run lint
+        run: bundle exec rubocop --except Layout --parallel

.github/workflows/run-tests.yaml

@@ -0,0 +1,19 @@
+name: Run tests
+on:
+  push:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v5
+
+      - name: Setup ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: .ruby-version
+          bundler-cache: true
+
+      - name: Run tests
+        run: bundle exec rake test