feat: 前端升级至vue3，后端代码结构重构，新增权限管理相关功能

server/main.go

@@ -0,0 +1,15 @@
+package main
+
+import (
+	"mayfly-go/base/ctx"
+	"mayfly-go/base/global"
+	"mayfly-go/base/starter"
+	"mayfly-go/server/initialize"
+)
+
+func main() {
+	ctx.UseBeforeHandlerInterceptor(ctx.PermissionHandler)
+	ctx.UseAfterHandlerInterceptor(ctx.LogHandler)
+	global.Db = starter.GormMysql()
+	starter.RunWebServer(initialize.InitRouter())
+}