chore: Add project links and mirrors to README

Signed-off-by: txtsd <code@ihavea.quest>

chore: Use correct license

This was previously incorrectly licensed as GPL-3.0-only
It is now correctly licensed as BSD-3-Clause with regards
to upstream: https://github.com/NLnetLabs/unbound

Signed-off-by: txtsd <code@ihavea.quest>

fix: Actually allow running as root or unbound

Signed-off-by: txtsd <thexerothermicsclerodermoid@gmail.com>

change: Allow script to be run as unbound too

This is useful if it's being run by a service

Signed-off-by: txtsd <thexerothermicsclerodermoid@gmail.com>

fix(readme): typo

Signed-off-by: txtsd <thexerothermicsclerodermoid@gmail.com>

change: ShellCheck SC2002 – Use redirection instead of cat

Signed-off-by: txtsd <thexerothermicsclerodermoid@gmail.com>

chore: Add dependencies to readme

Signed-off-by: txtsd <thexerothermicsclerodermoid@gmail.com>

change: Use basic binaries without checking

Signed-off-by: txtsd <thexerothermicsclerodermoid@gmail.com>

chore: Rename README to README.md

Signed-off-by: txtsd <thexerothermicsclerodermoid@gmail.com>

chore: Add readme

Signed-off-by: txtsd <thexerothermicsclerodermoid@gmail.com>

chore: Add license

Signed-off-by: txtsd <thexerothermicsclerodermoid@gmail.com>

feat: Initial commit

Signed-off-by: txtsd <thexerothermicsclerodermoid@gmail.com>