[Egg Request] Bitwarden

Bitwarden has a unified self-host docker image which is in beta, meaning it should now be feasible to host bitwarden on pterodactyl, I might make this if I get time and nobody else does, but it would be my first time making an egg so no promises in terms of quality

relevant link: https://bitwarden.com/help/install-and-deploy-unified-beta/