Eason Aeroboard Refactor (#21271)
* [refactor] refactor keymaps
- grid-align keycodes
- use four-space indent
- remove trailing whitespace
* [refactor] physically arrange layout macro
Arrange the layout macro and keymaps in the QMK-desired order.
Breaks compatibility with out-of-tree keymaps.
Key sequence swaps in this commit:
- `KC_GRV` <-> `KC_1`
- `KC_TAB` <-> `KC_Q`
* [refactor] rename LAYOUT to LAYOUT_split_space
* [enhancement] add LAYOUT_7u_space
* [chore] correct maintainer value
Reference the keyboard maintainer's GitHub username.