workflow tweaks

.github/workflows/main.yml

@@ -0,0 +1,31 @@
+name: main
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+env:
+  TEST_BOT_TOKEN: ${{ secrets.TEST_BOT_TOKEN }}
+  TEST_CHANNEL_ID: ${{ secrets.TEST_CHANNEL_ID }}
+  TEST_GUILD_ID: ${{ secrets.TEST_GUILD_ID }}
+
+jobs:
+  ci:
+    strategy:
+      matrix:
+        script-name: [coverage, lint, typecheck, build]
+      fail-fast: false
+    name: ${{ matrix.script-name }}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          # https://github.com/actions/setup-node#supported-version-syntax
+          node-version: "16"
+      - run: npm i -g pnpm
+      - run: pnpm install --frozen-lockfile
+      - run: pnpm run ${{ matrix.script-name }}