assert on nomem

client::next: handle done

hitotp: convert secret to uppercase before use

This prevents hitotp from crashing when it's given a lowercase secret.

cmd/hitotp: Update for himitsu::client changes

add 2fa warning to README

stdlib fixes

Add man page for hitotp

Makefile: Add install target

cmd/hitotp: Support printing multiple TOTP codes

cmd/hitotp: Do TOTP only when not adding

This is because in the `add` case, himitsud returns undecoded `secret!`

cmd/hitotp: Fix hiq query allocation issues

cmd/hitotp: Add warning on unknown query key

cmd/hitotp: Use uri::decodequery

cmd/hitotp: Fix `use himitsu::query`

Update for stdlib and himitsu changes

all: update fmt::fatal usage

Fix io::close errors

Write some code

Initial commit