fix broken links for icons

Author: kp54

index.html

@@ -17,8 +17,8 @@
     <link rel='canonical' href='https://dojocon2025.coderdojo.jp/' />
     <link rel='shortlink' href='https://dojocon2025.coderdojo.jp/' />
     <link rel="manifest" href="/site.webmanifest">
-    <link rel="icon" href="/favicon.ico"> <!-- 32×3   -->
-    <link rel="apple-touch-icon" href="/apple-touch-icon.png"><!-- 180×180 -->
+    <link rel="icon" href="/img/favicon.ico"> <!-- 32×32 -->
+    <link rel="apple-touch-icon" href="/img/apple-touch-icon.png"> <!-- 180×180 -->
 
     <style type="text/css">
       @import"https://fonts.googleapis.com/css2?family=Space+Mono&display=swap";