feat(footer): add Evonia.ai company branding

src/components/footer.astro

@@ -1,8 +1,8 @@
 ---
-import { authors } from "../constants";
+import { authors, evonia } from "../constants";
 ---
 
-<footer class="bg-black p-4 w-full flex justify-center items-center flex-col">
+<footer class="bg-black p-4 w-full flex justify-center items-center flex-col gap-3">
   <ul
     class="max-w-screen-lg w-full text-xs text-teal-500 flex items-center justify-evenly"
   >
@@ -23,4 +23,14 @@ import { authors } from "../constants";
       })
     }
   </ul>
+
+  <a
+    href={evonia.url}
+    target="_blank"
+    rel="noopener noreferrer"
+    class="flex items-center gap-1.5 text-[10px] text-white/40 hover:text-white/70 transition-colors duration-100"
+  >
+    <img src={evonia.logo} alt={evonia.name} width="14" height="14" />
+    <span>Powered by {evonia.name}</span>
+  </a>
 </footer>

src/constants.ts

@@ -12,3 +12,9 @@ export const authors = [{
   name: '小鹿',
   link: null
 }]
+
+export const evonia = {
+  name: 'Evonia.ai',
+  url: 'https://evoniaai.github.io/',
+  logo: '/evonia/logo-dark.svg',
+} as const;