chore: setup github actions

Planning to move from CircleCI to GitHub actions

.github/workflows/tests.yml

@@ -0,0 +1,32 @@
+# This workflow will do a clean installation of node dependencies, cache/
+# restore them, build the source code and run tests across different versions
+# of node
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
+
+name: CI Tests
+env:
+  MONGODB_URI: ${{ secrets.MONGODB_URI }}
+on:
+  push:
+    branches: ['master']
+  pull_request:
+    branches: ['master']
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [16.x]
+        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: 'npm'
+      - run: npm ci
+      - run: npm run build --if-present
+      - run: npm test