Get 'What they're saying' quotes

- [Doc](https://docs.google.com/document/d/1XW9MlvMp_NinvTNzZRy4kFvmuTfzl9MnvfDouGDJ5Fw/edit?usp=sharing)
- [Reference](https://proudlyservingbook.com/what-theyre-saying/)

- [x] Letter to people
- [x] Form for submissions
- [x] Send to short list
- [x] Send forwardable email to contributors
- [ ] List of people
- [ ] Send to all