Implemented basic ui for server sharing. Extracted server authorization. Refactoring and small improvements

MoonlightServers.ApiServer/Models/ServerAuthorizationResult.cs

@@ -0,0 +1,28 @@
+using MoonlightServers.ApiServer.Database.Entities;
+
+namespace MoonlightServers.ApiServer.Models;
+
+public record ServerAuthorizationResult
+{
+    public bool Succeeded { get; set; }
+    public ServerShare? Share { get; set; }
+    public string? Message { get; set; }
+
+    public static ServerAuthorizationResult Success(ServerShare? share = null)
+    {
+        return new()
+        {
+            Succeeded = true,
+            Share = share
+        };
+    }
+
+    public static ServerAuthorizationResult Failed(string? message = null)
+    {
+        return new()
+        {
+            Succeeded = false,
+            Message = message
+        };
+    }
+}