chore: Add github actions

.github/workflows/ci.yml

@@ -0,0 +1,47 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+---
+name: "Checkin"
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  build-and-test:
+    name: "Build & Test"
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node:
+          - latest
+          - lts/*
+    steps:
+      - name: "Checkout"
+        uses: actions/checkout@v3
+
+      - name: "Setup node"
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node }}
+
+      - name: "npm ci"
+        run: npm ci
+
+      - name: "Build"
+        run: npm run build
+
+      - name: "Linters"
+        run: npm run lint
+
+      - name: "Unit Tests"
+        run: npm run test
+
+      - name: "Artifacts"
+        uses: actions/upload-artifact@v3
+        with:
+          path: |
+            lib/sepa.js
+            lib/sepa.min.js