Nice-to-have Features Tracker

[jaybuidl]

As a complement to https://github.com/kleros/kleros-v2/issues/1313

- [ ] https://github.com/kleros/kleros-v2/issues/1589
- [ ] https://github.com/kleros/kleros-v2/issues/1590
- [ ] https://github.com/kleros/kleros-v2/issues/1591
- [ ] #266
- [ ] https://github.com/kleros/kleros-v2/issues/1082
- [ ] https://github.com/kleros/kleros-v2/issues/833
- [ ] https://github.com/kleros/kleros-v2/issues/1455
- [ ] https://github.com/kleros/kleros-v2/issues/683
- [ ] https://github.com/kleros/kleros-v2/issues/1058
- [ ] https://github.com/kleros/kleros-v2/issues/1314
- [ ] https://github.com/kleros/kleros-v2/issues/1490
- [ ] https://github.com/kleros/kleros-v2/issues/326
- [ ] #990
- [ ] https://github.com/kleros/kleros-v2/issues/1103