chore: 同步 embed 静态资源（base=/ 修复深链白屏）

二进制 / K8s embed 模式 go:embed 使用 backend/static

backend/static/assets/message-square-C0PKhW_h.js

@@ -0,0 +1 @@
+import{i as a}from"./index-BTQygws6.js";const e=[["path",{d:"M22 17a2 2 0 0 1-2 2H6.828a2 2 0 0 0-1.414.586l-2.202 2.202A.71.71 0 0 1 2 21.286V5a2 2 0 0 1 2-2h16a2 2 0 0 1 2 2z",key:"18887p"}]],o=a("message-square",e);export{o as M};