chore(.github/workflows): add CI workflows for commit lint, dependency audit, and install script testing

.github/workflows/commitlint.yml

@@ -0,0 +1,27 @@
+name: Commit Lint
+
+on:
+  pull_request:
+    branches: [main, dev]
+
+permissions:
+  contents: read
+  pull-requests: read
+
+jobs:
+  commit-lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: "22"
+
+      - name: Install commitlint
+        run: npm install -g @commitlint/cli @commitlint/config-conventional
+
+      - name: Lint commits
+        run: npx commitlint --from ${{ github.event.pull_request.base.sha }} --to ${{ github.event.pull_request.head.sha }} --verbose