refactor: reorganize modules and add Linux build tooling

module/base/mgt/internal/models/link_user_app.go

@@ -0,0 +1,20 @@
+package models
+
+import (
+	"time"
+)
+
+// 用户与应用关联表
+type MgtLinkUserApp struct {
+	AppId     uint      `gorm:"column:app_id;primaryKey" json:"app_id"`                       // 应用ID
+	UserId    uint      `gorm:"column:user_id;primaryKey" json:"user_id"`                     // 用户ID
+	CreatedAt time.Time `gorm:"column:created_at;autoCreateTime" json:"created_at,omitempty"` // 创建时间
+}
+
+func (MgtLinkUserApp) TableName() string {
+	return "mgt_link_user_app"
+}
+
+// func init() {
+// 	database.AppendMigrate(&MgtLinkUserApp{})
+// }