refactor:

- source 初始化数据 new 实现
- service mysql 与 pgsql 分开实现
- 代码备注优化

server/initialize/internal/gorm.go

@@ -13,6 +13,8 @@ var Gorm = new(_gorm)
 
 type _gorm struct{}
 
+// Config gorm 自定义配置
+// Author [SliverHorn](https://github.com/SliverHorn)
 func (g *_gorm) Config() *gorm.Config {
 	config := &gorm.Config{DisableForeignKeyConstraintWhenMigrating: true}
 	_default := logger.New(NewWriter(log.New(os.Stdout, "\r\n", log.LstdFlags)), logger.Config{