Need further info to create backend for Asset Manager

I'm trying to figure out how to write a backend (in ASP.NET Core) for the Asset Manager. I've looked at a few of the Wiki pages, but still a bit confused. What I'd really like is info about how to show existing assets, upload new ones, delete existing ones, etc. I did see that I can upload by using an upload endpoint as follows: However, that's only for upload. What about delete and load all (to initialize first time)? I was hoping for something like this: UPLOAD --- Parameter: upload Example: upload: 'https://my-site/assets/upload' (HTTP POST) RESPONSE: LIST ALL --- Parameter: list Example:...