Modernize dactyl_manuform/dmote keyboard

[dunk2k]

Description

• dmote dir moved up one level
  • alias added
• folder structure changed to match Keyboard PR guidance
  • file names changed to match folder structure
  • layout macro name renamed
• `layout and keymaps reordered/modernised to be uniform with other split keyboards
• readme.md updated

Types of Changes

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

Issues Fixed or Closed by This PR

• n/a

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).

[dunk2k]

@qmk/collaborators
This PR is doing something undesired with submodule 'chibios' and my git knowledge, especially with submodules, isn't versed enough to remove change to said submodule.

Should I cancel this PR and create a new PR that is branched from an updated 'develop' branch?

[drashna]

git checkout @@your-branch@@
# for each of the problematic repo's:
cd lib/@@name@@
git checkout qmk-develop