Add CI job to check AEON UI formatting.

Author: daemontus

.github/workflows/aeon-ui-check.yml

@@ -0,0 +1,24 @@
+name: AEON UI Code Checking
+
+on:
+    push:
+    pull_request:
+
+jobs:
+    format-check:
+        runs-on: ubuntu-latest
+
+        steps:
+            - name: Checkout code
+              uses: actions/checkout@v4
+
+            - name: Set up Node.js
+              uses: actions/setup-node@v4
+              with:
+                node-version: lts/*
+
+            - name: Install dependencies
+              run: npm ci
+
+            - name: Run format check
+              run: npm run ui:format:check