Publish to packagist

[adamj88]

Would you consider publishing this module to packagist? A lot of open source M2 extensions are doing this and it would allow this to be installed without the following step:

First add repository to composer configuration:

composer config repositories.niks-multiple-layered-navigation vcs [email protected]:NikZh/magento2-multiple-layered-navigation.git

[amenk]

bump