[Keyboard] Add astro65 handwired (#10449)
* Add pandemic keyboard
* Fix default keymap
* Add via keymap
* Fix via keymap
* Fix keymaps and pandamic.h
* add info.json
* update info.json
* Apply suggestions from code review
* Update keyboards/handwired/swiftrax/pandamic/info.json
* make suggested changes
* Add astro65
* fix info.json
* Apply suggestions from code review
* add more layers for via
* Apply suggestions from code review
* halp
* add other layout
* fix astro65.h
* commit suggestions
* Update keyboards/handwired/swiftrax/astro65/info.json