Patcher / Updater Through UE4

Is there a blueprint code to complete a file scan to ensure client and sever assets / data are correct?

I am running separate projects for Client and Server. I wanted to see if there was a way to make a ‘patcher’ that scans for file (or asset) differences. If there are, than the server would send the correct files to the user to be updated.

I know the suggested model for UE4 is one project with separate Client and Server modules. I can’t quite go in to it but for the time being I need separate projects.

I saw that there are patch .pak files you can create for client side patches, I was curious if these could be used or involved somehow?

I’m preferably looking for something in Blueprints but C++ I can manage as well.

I have found the following articles, can you send DLCs/.paks through UE4s networking infrastructure?