This is more heavily used in Message::send as a way of discerning "real" server errors
from those that are caused by user input. The name itself might not be super fitting either
* Moving code for inserting textual messages into its own function
This splits up the logic a bit for Message::send but this segment of logic is also
much simpler than that of file upload
* Flattening Message::send overall
Keeping this function as flat as can be is crucial as it is one of the heavier+most
important funcs in the whole JSON API codebase
Files are now also generated correctly and asynchronously
Removig chrono from api code as well
Removing chrono as dep in api code
+ Using Content-Type for /message/send content type
Updating cargo lists for removal of fluff deps
Removal of more fluff
Addking makefile to avoid compiling debug builds by accident while developing
