🔖 Release 0.2.0.

We now have all basic features so all zbus tests can now run successfully against busd. 🥳

✨ Project moved to Github and renamed to busd.
✨ Add --print-address cli option.
✨ Implement org.freedesktop.DBus interface. Some methods are currently placeholders though.
✨ Make it work on non-UNIX. The main target is Windows here.
✨ Add option to enable anonymous connections.
✨ Add TCP transport.
✨ Support sending signals, both broadcast and unicast.
✨ Allow sending messages to well-known names.
🛂 Implement DBUS_COOKIE_SHA1 auth. The actual authentication is done by zbus but we manage our
cookie jar. The management of cookies file is done as per spec.
💄 Enable ANSI terminal colors in tracing_subsciber.
🐛 Ensure messages have sender set before forwarding them. The peers should be able to rely on
sender being always set and correct.
🩹 Drop related resources when a peer disconnects.
🩹 Check unique name exists in DBus.GetNameOwner impl.
🚸 Portable way to figure out temp dir.
🚸 Replace path cmd arg by address. We now deal with a generic D-Bus address string instead of
unix socket path.
📦️ Bump MSRV to 1.70. So we can use use std::sync::OnceLock.
➕ Require hex, xdg-home, rand and tokio-fs.
➕ Add optional dep on console-subscriber. So that we can interface with tokio-console.
➖ Only require nix on unix.
➖ Drop parking_lot dep. We don't use it anymore.
➖ Drop now unneeded fastrand dev dep.
⬆️ Bump nix requirement to 0.26.
⬆️ Update proc-macro2 to latest release.
⬆️ Require latest zbus.
📝 Populate & update README.
📝 Add gimoji recommendation to contributing guide.
📝 Add legal notice about contribution content.
📝 Add contribution guide.
👷 Add a few tests.
👷 Add a robust CI that tests on multiple platforms.
🔊 Switch from warning to debug log for error on receiving msg. This happens when peer disconnects
and is very common so a warning log is not justified.
🥚 Add easter egg method.
🧵 Spawn a new task for setting up each connection. This way we don't have to make other clients
wait for previous client's setup to finish.
🥅 Don't ignore errors from accept().
🔥 Drop use of unneeded outer socket dir.
🔥 Ensure socket file is deleted even if failures happen.
😎 Many internal improvements.