Merge pull request #113 from denisdefreyne/denis/github-actions

Set up GitHub workflow

.github/workflows/ruby.yml

@@ -0,0 +1,43 @@
+name: Nanoc
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby-version: ["2.6", "2.7", "3.0", "3.1", "3.2"]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby-version }}
+
+      - uses: actions/cache@v3
+        with:
+          path: vendor/bundle
+          key: bundler-b-${{ runner.os }}-${{ matrix.ruby-version }}-${{ hashFiles('Gemfile') }}
+
+      - run: |
+          bundle config set --local path 'vendor/bundle'
+          bundle install --jobs "$(nproc)"
+
+      - name: test_style
+        if: ${{ matrix.ruby-version == '3.1' }}
+        run: bundle exec rake test_style
+
+      - name: test_unit
+        run: bundle exec rake test_unit
+        timeout-minutes: 3