refactor: distribute the domain folder

Security/Common/OAuth2/OAuthTokenResponse.cs

@@ -0,0 +1,12 @@
+using System.Text.Json.Serialization;
+
+namespace Mirea.Api.Security.Common.OAuth2;
+
+internal class OAuthTokenResponse
+{
+    [JsonPropertyName("access_token")]
+    public required string AccessToken { get; set; }
+
+    [JsonPropertyName("expires_in")]
+    public int ExpiresIn { get; set; }
+}