feat(build): update dist output with new branding, assets, and version display

- Update built pages to use webp logo and favicon assets
- Replace legacy svg references in generated dist files
- Add favicon and base layout styles to build output
- Introduce version display in footer across all generated pages
- Align dist output with updated BaseLayout structure
- Clean up footer markup formatting in layout

Signed-off-by: Alexander Lyall <alex@adcm.uk>

src/layouts/BaseLayout.astro

@@ -66,9 +66,7 @@ const { title = "Computing:Box" } = Astro.props;
           </div>
         <div>Computer Science Concept Simulators</div>
         <div>    Version:
-    <a href={releaseUrl} target="_blank" rel="noopener noreferrer">
-      {version}
-    </a> • © {new Date().getFullYear()} Computing:Box • Created with ♥ by Mr A Lyall</div>
+    <a href={releaseUrl} target="_blank" rel="noopener noreferrer">{version}</a> • © {new Date().getFullYear()} Computing:Box • Created with ♥ by Mr A Lyall</div>
       </div>
     </footer>
   </body>