ci: 👷 add testing action

For now this actions is unused, because no test was written to the
monorepo yet.

.github/workflows/checks.yml

@@ -0,0 +1,51 @@
+name: 🧪 Code checking
+
+on:
+  push:
+    branches:
+      - dev
+      - main
+      - changeset-release/main
+  pull_request:
+    branches:
+      - dev
+      - main
+      - changeset-release/main
+    types:
+      - opened
+      - synchronize
+      - reopened
+
+jobs:
+  linting:
+    env:
+      TURBO_TOKEN: ${{ secrets.TURBO_TOKEN }}
+      TURBO_TEAM: ${{ secrets.TURBO_TEAM }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 2
+
+      - name: Setup environment
+        uses: ./.github/actions/pnpm-setup
+
+      - name: Run ESLint
+        run: pnpm run lint
+  vitest:
+    env:
+      TURBO_TOKEN: ${{ secrets.TURBO_TOKEN }}
+      TURBO_TEAM: ${{ secrets.TURBO_TEAM }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 2
+
+      - name: Setup environment
+        uses: ./.github/actions/pnpm-setup
+
+      - name: Run Vitests
+        run: pnpm run test