Consolidate all `App` code into `Command`#1602

Closed

meatballhat wants to merge 10 commits intomainfrom app-command-collapse

+718-822

Commits on Nov 30, 2022

Merge branch 'main' into app-command-collapse
meatballhat
authored
fix comment

yyamanoi1222
authored and
meatballhat
committed

Commits on Dec 11, 2022

More messes in App + Command combining; (NOTE: broken!)
meatballhat
committed

Commits on Dec 18, 2022

Fix tests
dearchap
committed
Add func
dearchap
committed

Commits on Jun 1, 2023

Merge remote-tracking branch 'origin/main' into app-command-collapse
meatballhat
committed