ops(dashboard-v2): setup github action on pull requests

.github/workflows/lint-packages-dashboard-v2.yml

@@ -0,0 +1,24 @@
+name: Lint - packages/dashboard-v2
+
+on:
+  pull_request:
+    paths:
+      - packages/dashboard-v2/**
+
+defaults:
+  run:
+    working-directory: packages/dashboard-v2
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 16.x
+
+      - run: yarn
+      - run: yarn prettier --check
+      - run: yarn lint