Validate HTML on PRs

.github/html5validator.yml

@@ -0,0 +1,5 @@
+root: ./
+ignore_re:
+  - 'An "img" element must have an "alt" attribute, except under certain conditions'
+  - 'Element "div" not allowed as child of element "label" in this context'
+  - 'The "center" element is obsolete. Use CSS instead' # initialdzero

.github/workflows/html.yml

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+name: HTML Check
+
+on:
+  pull_request:
+  push:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: HTML5 Validator
+      uses: Cyb3r-Jak3/html5validator-action@v7.2.0
+      with:
+        config: ./.github/html5validator.yml
+        css: true