Added Github action for CI (fixes #6) (#8)

* Added ci.yml

* Updated CI to fix versioning issue

* Added rubocop and fixed offense

.github/workflows/ci.yml

@@ -0,0 +1,32 @@
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ruby: ["3.0", "3.2.2"]
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: ${{ matrix.ruby }}
+
+    - name: Install dependencies
+      run: |
+        gem install bundler
+        bundle install --jobs 4 --retry 3
+
+    - name: Run tests
+      run: bundle exec rake test
+
+    - name: Run RuboCop
+      run: bundle exec rubocop

test/nodes/test_console_input_node.rb

@@ -20,7 +20,7 @@ def test_console_input_evaluate
   def test_console_input_with_value
     @context = { "a" => 5 }
 
-    input = 'console.input(a);'
+    input = "console.input(a);"
 
     node = Confuscript.parser.parse(input)