Add Sentry (#19)

* add sentry

* add sentry

* better log web3proxy

* Add managing and worker on sentry

* better log web3proxy

src/Managing.Core/Exceptions/CustomExceptions.cs

@@ -0,0 +1,78 @@
+namespace Managing.Core.Exceptions;
+
+/// <summary>
+/// Exception thrown when validation fails (maps to 400 Bad Request)
+/// </summary>
+public class ValidationException : Exception
+{
+    public ValidationException(string message) : base(message)
+    {
+    }
+
+    public ValidationException(string message, Exception innerException) : base(message, innerException)
+    {
+    }
+}
+
+/// <summary>
+/// Exception thrown when a resource is not found (maps to 404 Not Found)
+/// </summary>
+public class NotFoundException : Exception
+{
+    public NotFoundException(string message) : base(message)
+    {
+    }
+
+    public NotFoundException(string resourceType, string identifier)
+        : base($"{resourceType} with identifier '{identifier}' was not found.")
+    {
+    }
+}
+
+/// <summary>
+/// Exception thrown when the user does not have permission (maps to 403 Forbidden)
+/// </summary>
+public class ForbiddenException : Exception
+{
+    public ForbiddenException(string message) : base(message)
+    {
+    }
+
+    public ForbiddenException() : base("You do not have permission to access this resource.")
+    {
+    }
+}
+
+/// <summary>
+/// Exception thrown when there is a conflict with the current state (maps to 409 Conflict)
+/// </summary>
+public class ConflictException : Exception
+{
+    public ConflictException(string message) : base(message)
+    {
+    }
+}
+
+/// <summary>
+/// Exception thrown when a rate limit is exceeded (maps to 429 Too Many Requests)
+/// </summary>
+public class RateLimitExceededException : Exception
+{
+    public RateLimitExceededException(string message) : base(message)
+    {
+    }
+
+    public RateLimitExceededException() : base("Rate limit exceeded. Please try again later.")
+    {
+    }
+}
+
+/// <summary>
+/// Exception thrown when an external service is unavailable (maps to 503 Service Unavailable)
+/// </summary>
+public class ServiceUnavailableException : Exception
+{
+    public ServiceUnavailableException(string message) : base(message)
+    {
+    }
+}