Add new packages to [workspace.members] automatically

[maciektr]

Problem

If a new package is created in a workspace, it's path should be automatically added to the workspace's members list. It should not be added to the list, if it does not exist yet.

Context:

• Add new packages to [workspace.members] automatically rust-lang/cargo#12779
• https://blog.rust-lang.org/inside-rust/2024/02/13/this-development-cycle-in-cargo-1-77.html#polishing-cargo-new

Proposed Solution

No response

Notes

No response