Fix TypeScript errors and code formatting

- Add 'href' property to Item interface in types.d.ts
- Remove unused imports from Logo.astro and index.astro
- Fix implicit 'any' type in utils/images.ts
- Run prettier formatting across all files

All TypeScript checks now pass with 0 errors, 0 warnings, and 0 hints.

src/components/Logo.astro

@@ -1,18 +1,9 @@
 ---
-import { SITE } from 'astrowind:config';
 import { Image } from 'astro:assets';
 import logoImage from '~/assets/images/2024/12/ARC_2024_bayrak_logo-Large-1-1024x1024.png';
 ---
 
 <div class="flex items-center">
-  <Image
-    src={logoImage}
-    alt="ARC Logo"
-    width={40}
-    height={40}
-    class="mr-2"
-  />
-  <span class="self-center text-2xl md:text-xl font-bold text-gray-900 whitespace-nowrap dark:text-white">
-    ARC
-  </span>
+  <Image src={logoImage} alt="ARC Logo" width={40} height={40} class="mr-2" />
+  <span class="self-center text-2xl md:text-xl font-bold text-gray-900 whitespace-nowrap dark:text-white"> ARC </span>
 </div>