diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
new file mode 100644
index 0000000..f87cc89
--- /dev/null
+++ b/.github/workflows/ruby.yml
@@ -0,0 +1,38 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+# This workflow will download a prebuilt Ruby version, install dependencies and run tests with Rake
+# For more information see: https://github.com/marketplace/actions/setup-ruby-jruby-and-truffleruby
+
+name: Ruby
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ruby-version: ['2.6', '2.7', '3.0']
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Ruby
+    # To automatically get bug fixes and new Ruby versions for ruby/setup-ruby,
+    # change this to (see https://github.com/ruby/setup-ruby#versioning):
+    # uses: ruby/setup-ruby@v1
+      uses: ruby/setup-ruby@55283cc23133118229fd3f97f9336ee23a179fcf # v1.146.0
+      with:
+        ruby-version: ${{ matrix.ruby-version }}
+        bundler-cache: true # runs 'bundle install' and caches installed gems automatically
+    - name: Run tests
+      run: bundle exec rake
diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..36478ad
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,83 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Launch Chrome",
+            "request": "launch",
+            "type": "chrome",
+            "url": "http://localhost:8080",
+            "webRoot": "${workspaceFolder}"
+        },
+        {
+            "name": "Attach to Chrome",
+            "port": 9222,
+            "request": "attach",
+            "type": "chrome",
+            "webRoot": "${workspaceFolder}"
+        },
+        {
+            "type": "firefox",
+            "request": "launch",
+            "reAttach": true,
+            "name": "Launch localhost",
+            "url": "http://localhost/index.html",
+            "webRoot": "${workspaceFolder}"
+        },
+        {
+            "type": "firefox",
+            "request": "launch",
+            "reAttach": true,
+            "name": "Launch index.html",
+            "file": "${workspaceFolder}/index.html"
+        },
+        {
+            "type": "firefox",
+            "request": "attach",
+            "name": "Attach"
+        },
+        {
+            "name": "Launch Chrome",
+            "request": "launch",
+            "type": "chrome",
+            "url": "http://localhost:8080",
+            "webRoot": "${workspaceFolder}"
+        },
+        {
+            "name": "Attach to Chrome",
+            "port": 9222,
+            "request": "attach",
+            "type": "chrome",
+            "webRoot": "${workspaceFolder}"
+        },
+        {
+            "name": "Launch index.html",
+            "type": "firefox",
+            "request": "launch",
+            "reAttach": true,
+            "file": "${workspaceFolder}/index.html"
+        },
+        {
+            "name": "Launch localhost",
+            "type": "firefox",
+            "request": "launch",
+            "reAttach": true,
+            "url": "http://localhost/index.html",
+            "webRoot": "${workspaceFolder}"
+        },
+        {
+            "name": "Attach",
+            "type": "firefox",
+            "request": "attach"
+        },
+        {
+            "name": "Launch WebExtension",
+            "type": "firefox",
+            "request": "launch",
+            "reAttach": true,
+            "addonPath": "${workspaceFolder}"
+        }
+    ]
+}
\ No newline at end of file