fix(images): update PrototypeFund logo to dark version in hero section

Author: nicococo

website/src/pages/index.astro

@@ -513,7 +513,7 @@ const heroContent = heroPage ? await heroPage.render() : null;
             class="max-w-md w-full h-auto rounded-lg shadow-lg hover:shadow-accent-cyan/30 transition-shadow duration-300 border-2 border-dark-600"
           />
           <img 
-            src="https://github.com/BusySloths/mlox/blob/main/mlox/resources/PrototypeFund_logo_light.png?raw=true" 
+            src="https://github.com/BusySloths/mlox/blob/main/mlox/resources/PrototypeFund_logo_dark.png?raw=true" 
             alt="PrototypeFund" 
             class="max-w-sm w-full h-auto rounded-lg transition-shadow duration-300 border-0"
           />