feat: add set database endpoints

ApiDto/Requests/Configuration/DatabaseRequest.cs

@@ -0,0 +1,22 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Mirea.Api.Dto.Requests.Configuration;
+
+public class DatabaseRequest
+{
+    [Required]
+    public required string Server { get; set; }
+
+    [Required]
+    public int Port { get; set; }
+
+    [Required]
+    public required string Database { get; set; }
+
+    [Required]
+    public required string User { get; set; }
+
+    [Required]
+    public bool Ssl { get; set; }
+    public string? Password { get; set; }
+}