ci: add github actions integration

Author: kiaking

.github/workflows/test.yml

@@ -0,0 +1,39 @@
+name: Test
+
+on: [push]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [14, 15]
+    steps:
+      - uses: actions/checkout@v1
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: install and lint
+        run: |
+          yarn install
+          yarn lint:fail
+
+  test:
+    needs: [lint]
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [14, 15]
+    steps:
+      - uses: actions/checkout@v1
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: install and test
+        run: |
+          yarn install
+          yarn jest --coverage
+      - name: upload coverage
+        uses: codecov/codecov-action@v1