fix: add missing site-footer component and remove brand-icons dependency

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

components/icons.tsx

@@ -26,8 +26,6 @@ import {
   type LucideIcon,
 } from "lucide-react"
 
-import { Apple, Google } from "@/components/brand-icons"
-
 export type Icon = LucideIcon
 
 export const Icons = {
@@ -55,6 +53,4 @@ export const Icons = {
   gitHub: Github,
   twitter: Twitter,
   check: Check,
-  google: Google,
-  apple: Apple,
 }