Ability to update settings. Take effect on next reboot.

API/Interfaces/ISettingsRepository.cs

@@ -0,0 +1,16 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using API.DTOs;
+using API.Entities;
+
+namespace API.Interfaces
+{
+    public interface ISettingsRepository
+    {
+        void Update(ServerSetting settings);
+        Task<ServerSettingDto> GetSettingsDtoAsync();
+        Task<ServerSetting> GetSettingAsync(ServerSettingKey key);
+        Task<IEnumerable<ServerSetting>> GetSettingsAsync();
+        
+    }
+}