We go through on both Windows Cmder and Mac OSX Terminal how to create your own custom functions, aliases, and using the Github API to create repos from the command line!
Code from video for you to use:
curl -H "Authorization: token your_token_here" -H "Content-Type: application/json" https://api.github.com/user/repos -d "{\"name\": \"$1\"}"
Skip to Mac part: 13:43
Software in video:
Cmder: http://cmder.net/
VS Code: https://code.visualstudio.com/
Github: https://github.com/
Github API Docs: https://developer.github.com/v3/