Add docs for experimental C3 Workers + Assets template for Vue

[petebacondarwin]

Summary

Adds a docs page corresponding to a new C3 experimental template for Vue with Workers Static Assets.
See cloudflare/workers-sdk#7480

Documentation checklist

• The documentation style guide has been adhered to.
• If a larger change - such as adding a new page- an issue has been opened in relation to any incorrect or out of date information that this PR fixes.
• Files which have changed name or location have been allocated redirects.

[hyperlint-ai]

1 files reviewed, 2 total issue(s) found.

[petebacondarwin]

This appear to have been completed already at https://developers.cloudflare.com/workers/framework-guides/web-apps/vue/