fix: 修复admin静态资源的访问路径问题

server/admin/.gitignore

@@ -3,4 +3,5 @@ node_modules
 /.cache
 /build
 /public/build
+/public/admin
 .env

server/admin/remix.config.js

@@ -2,7 +2,7 @@
 module.exports = {
   ignoredRouteFiles: ['**/.*'],
   // appDirectory: "app",
-  // assetsBuildDirectory: "public/build",
+  assetsBuildDirectory: 'public/admin',
-  // serverBuildPath: "build/index.js",
+  serverBuildPath: 'build/index.js',
-  // publicPath: "/build/",
+  publicPath: '/admin/',
 };