add edmundhenley-mo as a contributor for ideas, and userTesting

[allcontributors[bot]]

Adds @edmundhenley-mo as a contributor for ideas, userTesting.

This was requested by bjlittle in this comment

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 91.30%. Comparing base (9947f55) to head (3d06892).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #978 +/- ## ======================================= Coverage 91.30% 91.30% ======================================= Files 58 58 Lines 2934 2934 ======================================= Hits 2679 2679 Misses 255 255 ```

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