chore: migrate from circleci to github actions

.github/workflows/workflow.yaml

@@ -0,0 +1,44 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - remove-circle
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Setup Node.js
+      uses: actions/setup-node@v2
+      with:
+        node-version: '12'
+
+    - name: Restore cache
+      uses: actions/cache@v2
+      with:
+        path: ~/.npm
+        key: dependency-cache-${{ hashFiles('package-lock.json') }}
+        restore-keys: |
+          dependency-cache-${{ hashFiles('package-lock.json') }}
+
+    - name: Install dependencies
+      run: npm ci
+
+    - name: Run tests
+      run: npm run test
+
+    - name: Store coverage artifacts
+      uses: actions/upload-artifact@v2
+      with:
+        name: coverage
+        path: coverage/
+
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v1
+      with:
+        file: ./coverage/coverage-final.json