[Feature] Reduce speed of CLI moon emoji spinners

[bug] cannot sync workspace when packages declare `busted` test runner

[Feature] test build before uploading

[Feature] support globs in workplace member paths

newlines, backslashes, and quotes in lux.toml generate invalid rockspecs

can't manage to enable busted-nlua backend (nixos)

[Feature/fmt] Add emmylua_formatter formatting backend

Set a user agent when communicating with luarocks.org

[feat] Allow setting `lx fmt` backend in `lux.toml`

`lx pack` fails on windows due to searching for incorrect filename