Migrate to Lerna or alternative to manage packages

[Errorname]

Prisma-multi-tenant is currently using custom scripts to handle boostraping and publishing. It works, but it involves overhead and adds complexity to maintain, as well as complexity to onboard new contributors.

Moving to Lerna or an alternative could help make the processes easier

[BjoernRave]

this could be interesting for the monorepo: jaredpalmer/tsdx#778