Refactor authentication system to use MongoDB

- Removed Entity Framework Core identity schema and related migrations.
- Introduced MongoDB-based authentication service with user seeding functionality.
- Updated Program.cs to configure authentication and authorization using cookies.
- Created new Login.razor component for user login interface.
- Added RedirectToLogin component for handling unauthorized access.
- Updated Dockerfile and docker-compose files for development and production environments.
- Removed SQLite connection strings and related configurations.
- Added MongoDB connection settings in appsettings.json and Docker configurations.
- Implemented IMongoAuthService interface and MongoAuthService class for user management.
- Created MongoAuthUser model for MongoDB user representation.

Services/Auth/MongoAuthUser.cs

@@ -0,0 +1,20 @@
+using MongoDB.Bson;
+using MongoDB.Bson.Serialization.Attributes;
+
+namespace WorkTracker.Services.Auth;
+
+public sealed class MongoAuthUser
+{
+    [BsonId]
+    [BsonRepresentation(BsonType.ObjectId)]
+    public string Id { get; init; } = string.Empty;
+
+    [BsonElement("email")]
+    public string Email { get; init; } = string.Empty;
+
+    [BsonElement("emailNormalized")]
+    public string EmailNormalized { get; init; } = string.Empty;
+
+    [BsonElement("passwordHash")]
+    public string PasswordHash { get; init; } = string.Empty;
+}