ci: add lint action

Author: ccatterina

.github/workflows/lint.yml

@@ -0,0 +1,23 @@
+name: Lint
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    types:
+      - assigned
+      - opened
+      - synchronize
+      - reopened
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Validate QML and JavaScript files
+        uses: liri-infra/qmllint-action@master
+        env:
+            GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}