fix: set tsigKey when creating a domain

feat: genTsigKey and refresh tsig key

feat: add tsigkey field to domains

feat: AcmeChallenge field for domains

chore: update mod name and dependencies

chore: implement changes from linters, update copyright years

feat: manual updating of A records

feat: apikey refreshing and eye toggle

fix: a possible flaw to delete domains owned by others

fix: don't fetch apikey in all domains

feat: domains admin view

feat: api endpoint to update a record

feat: dns server to fetch a records from db

feat: ability to update user email and password, and delete user

refactor: directory layout

feat: adding and deleting of domains