feat: UI improvements and responsive design enhancements

- Fix dark mode overscroll areas with proper background colors
- Add mobile responsiveness for project logos in header
- Improve viewport handling with interactive-widget support
- Update app title to proper case 'AdsPreview'
- Add mobile-friendly padding adjustments for tabs and headers
- Update .gitignore to exclude .code-workspace files
- Enhance CSS with anticon color overrides and mobile breakpoints

adspreview_react.code-workspace

@@ -0,0 +1,7 @@
+{
+    "folders": [
+        {
+            "path": "."
+        }
+    ]
+}