Release v0.7.1 (atuinsh#108)

Release v0.7.0 (atuinsh#103)

* Release v0.7.0

- Update all the crate versions
- Update the demo gif
- Write a changelog
- Adjust the title of the search screen (has the old name still)
- Adjust the colours of the quick-jump numbers (sadly invisible on some
  colour schemes as dark grey :/)

* Update README, default config file, docs

* Link usernames

* Trigger release workflow upon release creation, as well as tags

Release v0.6.4

- Fix version
- Only build for two targets

Release v0.6.3

First proper release!

- Update install script
- Correct dependencies
- Update workflow release script