Kolombo

Changed

- Pin dependency `click` to 8.0.1
- Update image `nginx` to **nginx:1.21.3-alpine**
- Update dependency `ormar` to 0.10.19
- Update dependency `databases` to 0.5.2
- Update dependency `rich` to 10.10.0

Fixed

- Fix GH issue 8. Now Kolombo can send emails between its users without problems