* Renaming all instances of nymd to nyxd
* Might as well get the changelogs too
* Making it clearer that an ApiClient is a NymApiClient
* Lining up config templates with struct keys on gateway
* Changed the last references to validator_urls to nyxd_urls
* Fixed up a few type errors after refactoring
* Changed the changelog
* Fixed typo in changelog
* Further instances of renaming 'nymd' + introducing additional clap aliases
* updated environmental variables and allowed usage of deprecated variants
* missing occurences of coconut-locked environmental variables
Co-authored-by: Jędrzej Stuczyński <jedrzej.stuczynski@gmail.com>