ci: add github actions (#103)

.github/workflows/ci.yml

@@ -0,0 +1,27 @@
+name: Continuous Integration
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  ci:
+    name: Tests and Docs
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Project
+        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # tag=v3
+      - name: Use Node.js v16
+        uses: actions/setup-node@8c91899e586c5b171469028077307d293428b516 # tag=v3
+        with:
+          node-version: 16
+          cache: yarn
+          registry-url: https://registry.yarnpkg.com/
+      - name: Install Dependencies
+        run: yarn --immutable
+      - name: Run Tests
+        run: yarn test
+      - name: Build docs
+        run: yarn docs