feat: answer TXT queries for _acme-challenge

feat: zoneOf function

feat: AcmeChallenge field for domains

feat: APIUrl include protocol

fix: set NS ttl

feat: stub CNAME queries

feat: initial NS and SOA responses

feat: improve logging in parseQuery

feat: log unsupported Opcodes

feat: config DDNSDomain and SOAEmail

feat: serve dns on tcp too

chore: update mod name and dependencies

fix: log error on migration fail

feat(components): ignore *_templ.go

fix: a templ file somehow forgotten before

chore: implement changes from linters, update copyright years

fix!: ignore case in queries, yikes

chore: update... everything

feat: manual updating of A records

feat: apikey refreshing and eye toggle