add lint workflow

.gitea/workflows/lint.yaml

@@ -0,0 +1,35 @@
+name: ProxmoxAAS-Dashboard Code Style Check
+run-name: Code style check on ${{gitea.repository}} ${{gitea.ref_name}} ${{gitea.sha}}
+on: 
+  push:
+    branches:
+    - "*"
+
+jobs: 
+  lint-check:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Initialize ${{runner.os}} ${{runner.arch}}
+        uses: actions/setup-node@v4
+      - name: Install linters
+        run: |
+          npm install -g \
+            @eslint/eslintrc \
+            @eslint/js \
+            eslint \
+            globals \
+            html-validate \
+            stylelint \
+            stylelint-config-standard
+      - name: Verify linters
+        run: |
+          eslint --version
+          stylelint --version
+          html-validate --version
+      - name: Check out ${{gitea.repository}} ${{gitea.ref}} ${{gitea.sha}}
+        uses: actions/checkout@v4
+      - name: Run Linters
+        run: |
+          html-validate --config dev_config/.htmlvalidate.json web/html/*; \
+          stylelint --config dev_config/.stylelintrc.json --formatter verbose web/css/*.css; \
+          eslint --config dev_config/eslint.config.mjs web/scripts/