install: bump dotool to 1.5

refactor audio recording into struct

Also now runs Wait() to free resources if arecord dies.

readme: add awesome-numen

readme: add sprec

readme: mention ~/.config/numen/phrases

bump copyright years

readme: add min-trailing-silence note

deprecate /usr/local/share/vosk-models

install: separate building and installing

Also installs to /usr/lib not /lib, removes ./install-vosk-musl.sh
and $NUMEN_MANPAGE_DIR, and bumps dotool.

readme: public-inbox -> numen

gofmt, use 0o octal literals

add buttondown and buttonup actions

install: add -buildvcs=false

readme etc: tweak

scripts: gsub(" "a" ", " "b" ") in scripts/tweak

remove PACKAGING.md

readme: add packages

version 0.7

readme: tweak

phrases: "scrunch" -> "kludge"