Add Dactyl Manuform 5x8 keyboard

[iliorik]

Description

This pull request add new keyboard to handwired/dactyl_manuform: 5x8.

Types of Changes

• Core
• Bugfix
• New feature
• Enhancement/optimization
• [*] Keyboard (addition or update)
• [*] Keymap/layout (addition or update)
• Documentation

Issues Fixed or Closed by This PR

Checklist

• [*] My code follows the code style of this project: C, Python
• [*] I have read the PR Checklist document and have made the appropriate changes.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• [*] I have tested the changes and verified that they work and don't break anything (as well as I can manage).

[waffle87]

Please not close and open new PRs (#24726). There are numerous suggested changes on your previous PR that have not been addressed even in this new one?

[iliorik]

Please not close and open new PRs (#24726). There are numerous suggested changes on your previous PR that have not been addressed even in this new one?

I rewrote the code in the files taking into account the proposed changes. Can I reopen the old PR?

[waffle87]

Can I reopen the old PR?

Sure, given that half of the requested changes were not made, it would be best to keep the context there.

[sigprof]

In order to reopen the old PR, the new PR from the same branch needs to be closed first.