Add missing publication

[lnnrtwttkhn]

Please add the following publication:

• https://www.biorxiv.org/content/10.1101/2020.09.17.302521v2
• https://www.biorxiv.org/content/10.1101/2021.03.05.433967v1
• https://www.nejm.org/doi/full/10.1056/NEJMc1908881
• https://www.biorxiv.org/content/10.1101/2021.02.18.431803v1
• https://www.aeaweb.org/articles?id=10.1257/aer.20161574
• https://voyteklab.com/git/git-primer/
• https://www.kalzumeus.com/2011/10/28/dont-call-yourself-a-programmer/
• https://git-scm.com/book/en/v2
• https://chris.beams.io/posts/git-commit/#separate
• https://www.pnas.org/content/117/48/30079.short
• https://zonca.dev/2017/09/automated-testing-travis-ci-github.html
• https://www.nature.com/articles/s41422-020-00448-8
• https://www.sciencedirect.com/science/article/abs/pii/S0028393220303298
• https://onlinelibrary.wiley.com/doi/full/10.1002/hipo.23300
• https://secure.jbs.elsevierhealth.com/action/getSharedSiteSession?rc=1&redirect=https%3A%2F%2Fwww.cell.com%2Fcurrent-biology%2Fcomments%2FS0960-9822%2813%2900754-9
• https://www.biorxiv.org/content/10.1101/2021.01.28.428582v1
• https://www.frontiersin.org/articles/10.3389/frma.2020.586992/full
• https://www.nature.com/articles/s41562-020-01040-1
• https://psyarxiv.com/3aknq/
• https://www.sciencedirect.com/science/article/abs/pii/S0166432820306732