Added support chat. Added resource service. Added server backups

Moonlight/App/Services/Support/SupportClientService.cs

@@ -0,0 +1,64 @@
+using Moonlight.App.Database.Entities;
+using Moonlight.App.Services.Sessions;
+
+namespace Moonlight.App.Services.Support;
+
+public class SupportClientService : IDisposable
+{
+    private readonly SupportServerService SupportServerService;
+    private readonly IdentityService IdentityService;
+    private readonly MessageService MessageService;
+
+    public EventHandler<SupportMessage> OnNewMessage;
+
+    private User Self;
+    
+    public SupportClientService(
+        SupportServerService supportServerService,
+        IdentityService identityService,
+        MessageService messageService)
+    {
+        SupportServerService = supportServerService;
+        IdentityService = identityService;
+        MessageService = messageService;
+    }
+
+    public async Task Start()
+    {
+        Self = (await IdentityService.Get())!;
+        
+        MessageService.Subscribe<SupportClientService, SupportMessage>(
+            $"support.{Self.Id}.message", 
+            this,  
+            message =>
+        {
+            OnNewMessage?.Invoke(this, message);
+            
+            return Task.CompletedTask;
+        });
+    }
+
+    public async Task<SupportMessage[]> GetMessages()
+    {
+        return await SupportServerService.GetMessages(Self);
+    }
+
+    public async Task SendMessage(string content)
+    {
+        var message = new SupportMessage()
+        {
+            Message = content
+        };
+
+        await SupportServerService.SendMessage(
+            Self,
+            message,
+            Self
+        );
+    }
+
+    public void Dispose()
+    {
+        MessageService.Unsubscribe($"support.{Self.Id}.message", this);
+    }
+}