feat: add a return of the data that has been configured

ApiDto/Common/DatabaseType.cs

@@ -0,0 +1,22 @@
+namespace Mirea.Api.Dto.Common;
+
+/// <summary>
+/// Specifies the types of databases supported.
+/// </summary>
+public enum DatabaseType
+{
+    /// <summary>
+    /// MySQL database type.
+    /// </summary>
+    Mysql,
+
+    /// <summary>
+    /// SQLite database type.
+    /// </summary>
+    Sqlite,
+
+    /// <summary>
+    /// PostgreSQL database type.
+    /// </summary>
+    PostgresSql
+}