Workspace lockfile is conflicting with dependencies use in examples

[birkskyum]

The examples supposed to be executable as templates, thus an explicit requirement is that they don't rely on anything from the workspace, but they still influence the shared workspace lockfile.

Also, since the examples use the latest public releases of start/vinxi, they're always behind the main branch, and it makes a lot of lockfile conflicts.

This cause errors like:

• [Bug?]: Error: Client-only API called on the server side. When using npm run dev on a brand new solidstart project #1679
• fix landing page error, caused by broken lockfile #1728