Add NuxtJS documentation (2.15.8)

[thewheat]

Fixes: #1727

If you’re adding a new scraper, please ensure that you have:

• [x] Tested the scraper on a local copy of DevDocs
• [x] Ensured that the docs are styled similarly to other docs on DevDocs

• [x] Added these files to the public/icons/your_scraper_name/ directory:
  • [x] 16.png: a 16×16 pixel icon for the doc
  • [x] [email protected]: a 32×32 pixel icon for the doc
  • [x] SOURCE: A text file containing the URL to the page the image can be found on or the URL of the original image itself

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