unjs/citty

#1 — support number type args cluster

#2 — customizable usage display cluster

#3 — positional args flexibility cluster

#4 — bash completion enhancements cluster

#5 — cache and retrieve command results cluster

#6 — update and showusage optimization cluster

#7 — update figio tools cluster

#8 — custom command enhancements cluster

#9 — support argument parsing enhancements cluster