handles authentication (login, register, and user related stuff) route authentication is handled by the auth middleware.

generic response structure for those responses that only need to give user a message for success operation.

wrapper for slice returns as ApiFunc for some reason is unable to infer slice return types is actually a workaround, go isn't as flexible as ts :((.

the generic type that all my api controllers (or handlers) will adhere to, returning structs/objects if no errors and errors if any this type will be taken by the util function and wrapped to create a http handler that go router wants incase response writer is to be used, since provided by go's http handler so why not just take in.