add new study: Rumman_2017

[ehwenk]

• add new study, Rumman_2017
• have been unable to contact the author or people with access to missing data, but have confirmed which data were collected for this study vs. a related study (Bloomfield_2018)

[codecov-commenter]

Codecov Report

Patch coverage: 28.57% and project coverage change: -0.06 :warning:

Comparison is base (571c5ab) 80.26% compared to head (05bdd3e) 80.20%.

:exclamation: Current head 05bdd3e differs from pull request most recent head 74a83d8. Consider uploading reports for the commit 74a83d8 to get more accurate results

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #699 +/- ## =========================================== - Coverage 80.26% 80.20% -0.06% =========================================== Files 7 7 Lines 1530 1531 +1 =========================================== Hits 1228 1228 - Misses 302 303 +1 ``` | [Impacted Files](https://app.codecov.io/gh/traitecoevo/austraits.build/pull/699?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=traitecoevo) | Coverage Δ | | |---|---|---| | [R/testdata.R](https://app.codecov.io/gh/traitecoevo/austraits.build/pull/699?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=traitecoevo#diff-Ui90ZXN0ZGF0YS5S) | `76.51% <28.57%> (-0.22%)` | :arrow_down: |

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