control-panel/contributors.md

embeddable panel of inputs for parameter setting

# collaborators

`control-panel` is only possible due to the excellent work of the following collaborators:

<table>
<tbody><tr><th align="left">freeman-lab</th><td><a href="https://github.com/freeman-lab">github/freeman-lab</a></td></tr>
</tbody><tbody><tr><th align="left">  rreusser</th><td><a href="https://github.com/ rreusser">github/rreusser</a></td></tr>
</tbody>
</table>