Adding CI script

Updating package-lock,  `npm ci` told me that the package.json and package-lock where out of sync.
Running `npm install` fixes the issue.

Author: sim51

.github/workflows/check.yml

@@ -0,0 +1,23 @@
+name: Check commits
+
+on:
+  push:
+  workflow_dispatch:
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout your repository using git
+        uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 24
+          cache: npm
+
+      - name: Install
+        run: npm ci
+
+      - name: Check
+        run: npm run check