Lint workflow

.github/workflows/lint.yml

@@ -0,0 +1,26 @@
+name: lint
+
+on:
+  pull_request:
+    paths:
+      - '.github/workflows/lint.yml'
+      - 'src/*'
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        # https://github.com/actions/checkout
+        name: Checkout
+        uses: actions/checkout@v1
+      -
+        # https://github.com/actions/setup-node
+        name: Set up Node
+        uses: actions/setup-node@v1
+      -
+        name: Setup TS
+        run: npm install tslint typescript -g
+      -
+        name: Lint check
+        run: tslint './src/*.ts'