fix: download filename format

Author: asadahimeka

public/_redirects

@@ -1,5 +1,3 @@
 /~/* https://s.pximg.net/:splat 301
 /-/* https://i.pixiv.re/:splat 301
-/prks/obfs/* https://api.obfs.dev/:splat 200
-/prks/now/* https://pxnow.cocomi.eu.org/:splat 200
 /* /index.html 200

public/index.html

@@ -16,9 +16,9 @@
   <meta name="referrer" content="no-referrer">
   <meta http-equiv="x-dns-prefetch-control" content="on" />
   <link rel="shortcut icon" href="<%= BASE_URL %>favicon.ico" type="image/x-icon">
-  <link rel="dns-prefetch" href="https://lib.baomitu.com">
+  <link rel="dns-prefetch" href="https://cdnjs.cloudflare.com">
   <link rel="dns-prefetch" href="https://hibiapi.cocomi.eu.org">
-  <link rel="preconnect" href="https://lib.baomitu.com" crossorigin="anonymous" />
+  <link rel="preconnect" href="https://cdnjs.cloudflare.com" crossorigin="anonymous" />
   <link rel="preconnect" href="https://hibiapi.cocomi.eu.org" crossorigin="anonymous" />
   <link rel="stylesheet" href="<%= BASE_URL %>static/css/flexible.css">
   <% for (let css of htmlWebpackPlugin.options.cdn.css) { %>