daemons/coin.py, in the main
coinis your coin's code. Copy the code from the
daemons/btc.pyfile and edit some metadata. Note that the default port for the coin must be in 5XXX range, and that you should increment it by one with each added coin. So find the latest port used, and use the next port number available. Check this diff for an example, but make sure to check the most up-to-date files.
daemons/coin.pyfile in a completely custom way, plus make sure to have all the daemons dependencies in the requirements file, but otherwise, the process is the same as when there is a fork available for that coin.