Move icons from assets/ to media/ folder and update references

Author: CarterPerez-dev

stacks/fastapi-react/frontend/index.html

@@ -9,16 +9,16 @@
     <link
       rel="icon"
       type="image/x-icon"
-      href="/assets/favicon.ico"
+      href="/media/favicon.ico"
     />
     <link
       rel="apple-touch-icon"
       type="image/png"
-      href="/assets/apple-touch-icon.png"
+      href="/media/apple-touch-icon.png"
     />
     <link
       rel="manifest"
-      href="/assets/site.webmanifest"
+      href="/media/site.webmanifest"
     />        
     <meta
       name="viewport"