2023 chapter menu

[Johennes]

2022 strategy: element-hq/element-meta#246

The chapter menu is a list of delicious nibbles that members of the chapter can choose at their own convenience in exchange for their 10% chapter time budget

-- WAT – Chapter 10% menu 2023 🍽️ – Draft

### Reduce regressions
- [ ] https://github.com/vector-im/element-web/issues/23542
- [ ] https://github.com/vector-im/wat-internal/issues/64
- [ ] https://github.com/vector-im/element-web/issues/24691

### Developer experience
- [ ] https://github.com/vector-im/element-web/issues/23543
- [ ] https://github.com/vector-im/element-web/issues/21971
- [ ] https://github.com/vector-im/element-web/issues/21970
- [ ] https://github.com/vector-im/element-web/issues/24702

### Technical debt
- [ ] https://github.com/vector-im/wat-internal/issues/65
- [ ] https://github.com/vector-im/element-web/issues/24703
- [ ] https://github.com/vector-im/element-web/issues/14672

[Johennes]

Closing this off for 2023 since the chapter effectively is the WAT right now. We'll handle further tech debt via the regular WAT roadmap.