[Feature]: Show in the documentation how to best include (and update) the components

[maelp]

trafficstars

Describe the feature

It's not clear to me how we're supposed to track the bugfixes of shadcn-vue over time, the project is promoting a "copy-paste" development which can make sense, but makes it more complicated to update the components

what's the best way to include shadcn-vue in a new project?

Additional information

• [ ] I intend to submit a PR for this feature.
• [ ] I have already implemented and/or tested this feature.