feat: emlog 支持 MariaDB 数据库

apps/emlog/pro-latest-php7.4-apache/data.yml

@@ -1,12 +1,21 @@
 additionalProperties:
   formFields:
-    - default: ""
-      envKey: PANEL_DB_HOST
-      key: mysql
+    - child:
+        default: ""
+        envKey: PANEL_DB_HOST
+        required: true
+        type: service
+      default: mysql
+      envKey: PANEL_DB_TYPE
       labelEn: Database Service
       labelZh: 数据库服务
       required: true
-      type: service
+      type: apps
+      values:
+        - label: MySQL
+          value: mysql
+        - label: MariaDB
+          value: mariadb
     - default: emlog
       envKey: PANEL_DB_NAME
       labelEn: Database