cargo dist init in a workspace with no workspace.toml should tell you to create one

[ashleygwilliams]

ag_dubs@Ashleys-MBP-2 workerd % cargo dist init
  × No workspace found; either your project doesn't have a Cargo.toml/dist.toml, or we couldn't read it

Error:   × Failed to find dist.toml in an ancestor of /Users/ag_dubs/axo/workerd
Error:   × Failed to find Cargo.toml in an ancestor of /Users/ag_dubs/axo/workerd

[Gankra]

Also this error message should be adjusted.

[Gankra]

(I thought there was an issue for this already but I can't find it)