```

feat(database): 新增数据库初始化函数

新增 NewDatabase 函数，支持根据驱动类型初始化 MySQL 或 Postgres 数据库连接。
该函数根据传入的驱动名称自动路由到对应的数据库连接创建逻辑，并提供错误处理。
```

with/databases.go

@@ -0,0 +1,27 @@
+package with
+
+import (
+	"git.apinb.com/bsm-sdk/core/conf"
+	"git.apinb.com/bsm-sdk/core/database"
+	"git.apinb.com/bsm-sdk/core/print"
+	"git.apinb.com/bsm-sdk/core/types"
+	"git.apinb.com/bsm-sdk/core/vars"
+	"gorm.io/gorm"
+)
+
+func Databases(cfg *conf.DBConf, db *gorm.DB, opts *types.SqlOptions) {
+	if cfg == nil || len(cfg.Source) == 0 {
+		panic("No Database Source Found !")
+	}
+
+	// print inform.
+	print.Info("[BSM - %s] Databases: %v", vars.ServiceKey, cfg)
+
+	var err error
+	db, err = database.NewDatabase(cfg.Driver, cfg.Source, opts)
+	if err != nil {
+		print.Error("Database Init Failed !")
+		panic(err)
+	}
+	return
+}