Add NextJs Documentation

[snzow]

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

Co-authored-by: Mike Murphy [email protected] Co-authored-by: Yen Ton [email protected] Co-authored-by: Jason Wilkie [email protected]

Closes #1762