fix(backend): make API types internal

backend/src/Socialize.Api/Modules/Identity/Handlers/LoginWithGoogle.cs

@@ -20,7 +20,7 @@ internal class GoogleToken
     [JsonPropertyName("prompt")] public required string Prompt { get; init; }
 }
 
-public class GoogleUserInfo
+internal class GoogleUserInfo
 {
     [JsonPropertyName("id")] public required string Id { get; init; }
     [JsonPropertyName("email")] public required string Email { get; init; }
@@ -32,16 +32,16 @@ public class GoogleUserInfo
 }
 
 [PublicAPI]
-public record LoginWithGoogleRequest(
+internal record LoginWithGoogleRequest(
     string Token);
 
 [PublicAPI]
-public record LoginWithGoogleResponse(
+internal record LoginWithGoogleResponse(
     string AccessToken,
     string RefreshToken);
 
 [PublicAPI]
-public class LoginWithGoogleHandler(
+internal class LoginWithGoogleHandler(
     IHttpClientFactory httpClientFactory,
     UserManager userManager,
     IOptionsSnapshot<JwtOptions> jwtOptions,