🏗 Switch from travis to gh actions

Author: leonardfactory

.github/workflows/test.yml

@@ -0,0 +1,23 @@
+name: CI
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  build:
+    name: Check TypeScript and Test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: '16'
+          cache: 'yarn'
+      - run: yarn install
+      - run: yarn build
+      - run: yarn check-types
+      - run: yarn test:ci
+      - uses: codecov/codecov-action@v2