[Keyboard] 1up60hte Readme update (#5075)

[Keyboard] 1up60hte Readme update (#5075)

* Tweaks to default 1up60hte layout + support for HHKB style layout

* Added changes to layouts

* Fix config.h

* Fixed errant KC_NO in layout

* Added readme to keyboard... Will update with images/store link when avail.

* Update to use LAYOUT_60_hhkb default layout

* md formatting fix

* Update keyboards/1upkeyboards/1up60hte/readme.md

Co-Authored-By: bubnick <bubnick@users.noreply.github.com>
* Update keyboards/1upkeyboards/1up60hte/readme.md

Co-Authored-By: bubnick <bubnick@users.noreply.github.com>
* Added layout to rules.mk, fixed layout to be compatble with community HHKB keymaps

* Added image, updated store page to readme