PEG archiving

[jessicaguo]

• [x] Meet with Debasmita to document models
• [x] Version all 3 versions of neon-efi-challenge on GH
• [ ] Publish to Zenodo
• [ ] Update documentation of JAGS-logistic-growth

[jessicaguo]

@dlebauer Could you please review the repo (esp. the ML README) prior to publishing on Zenodo? https://github.com/genophenoenvo/neon-efi-challenge/tree/master/ML