Enhancement: Normalize composer.json

[localheinz]

This PR

• normalizes composer.json

💁‍♂️ I ran

$ composer global require localheinz/composer-normalize:^1.0.0

followed by

$ composer normalize

For reference, also see

• https://github.com/localheinz/composer-normalize
• https://localheinz.com/blog/2018/01/15/normalizing-composer.json/

[iluuu1994]

Thanks 👍

[localheinz]

Thank you, @iluuu1994!