docs: Vue integration reference docs page

[slashv]

Checklist

• I grant to recipients of this Project distribution a perpetual,
  non-exclusive, royalty-free, irrevocable copyright license to reproduce, prepare
  derivative works of, publicly display, sublicense, and distribute this
  Contribution and such derivative works.
• I certify that I am legally entitled to grant this license, and that this
  Contribution contains no content requiring a license from any third party.