feat(db): add mariadb alias (#2560)

application/migrator/model/init.go

@@ -28,6 +28,11 @@ func Init() error {
 	if confDBType == "sqlite3" {
 		confDBType = "sqlite"
 	}
+	
+	// 兼容 "mariadb" 数据库
+	if confDBType == "mariadb" {
+		confDBType = "mysql"
+	}
 
 	switch confDBType {
 	case "UNSET", "sqlite":