Implement Google authentication (for Web) and user management system

Bimix.Application/DTOModels/AuthDto.cs

@@ -0,0 +1,22 @@
+namespace Bimix.Application.DTOModels;
+
+public class GoogleAuthRequest
+{
+    public string? IdToken { get; set; }
+}
+
+public class GoogleAuthResponse
+{
+    public bool Success { get; set; }
+    public string? Token { get; set; }
+    public UserDto? User { get; set; }
+    public string? Error { get; set; }
+}
+
+public class UserDto {
+    public Guid Id { get; set; }
+    public string Email { get; set; } = default!;
+    public string FullName { get; set; } = default!;
+    public bool IsActive { get; set; }
+    public DateTime? LastLoginAt { get; set; }
+}