Setup GitHub CI

.github/workflows/main.yml

@@ -1,27 +1,21 @@
-# name: Ruby
+name: Ruby
 
-# on:
-#   push:
-#     branches:
-#       - main
+on:
+  pull_request:
+    branches: [ "main" ]
 
-#   pull_request:
+permissions:
+  contents: read
 
-# jobs:
-#   build:
-#     runs-on: ubuntu-latest
-#     name: Ruby ${{ matrix.ruby }}
-#     strategy:
-#       matrix:
-#         ruby:
-#           - '3.0.6'
-
-#     steps:
-#     - uses: actions/checkout@v2
-#     - name: Set up Ruby
-#       uses: ruby/setup-ruby@v1
-#       with:
-#         ruby-version: ${{ matrix.ruby }}
-#         bundler-cache: true
-#     - name: Run the default task
-#       run: bundle exec rake
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: 3.0.6
+        bundler-cache: true
+    - name: Run tests
+      run: bundle exec rake test