micronutr v0.0.0.9001

This is an updated pre-release of the micronutr package.

The update corrects missing links to community guidelines on code of conduct and contributing to the project in the package website and README.

This update also allows for an initial Zenodo doi to be allocated to the release in preparation for eventual CRAN publication.

What's Changed

• add CoC and Contributing guidelines; update website; fix #9 by @ernestguevarra in #10

Full Changelog: v0.0.0.9000...v0.0.0.9001