Add in 2 lines your composer.json file
Do not forget to release your project from github https://prnt.sc/qigw57
Register or login on https://packagist.org/ and connect your git account.
after login, press the submit button from the header and enter your git Repository URL.
after added successfully your ...
I managed to resolve my issue by following below mentioned steps:
Check the version of PHP is compatible and also you have all needed extensions installed. (I installed a default Magento to check)
Take the default composer.json of the version you want to install and compare.
I took the one of default Magento (2.3.3) composer and after compare with the ...