docs(server): Add an example of serving files #1404
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Here is an example of serving files in a separate thread. It should cover most cases where a separate thread is required, such as accessing a database.
There are actually two approaches illustrated here. One reads the whole file into memory, the other streams the file in chunks, but requires a second thread for the Response body. I don't like this two threaded approach, but haven't been able to figure out a way around it. Suggestions for a better approach would be appreciated.
I am working on an update to the guide pages to go with this example (which I will submit along with the Request body processing guide pages I'm working on.)