Add next.app devcon for networking, android

[confs-tech-bot]

Conference information

Website: https://www.nextappcon.com

// networking, android

{
  "name": "next.app devcon",
  "url": "https://www.nextappcon.com",
  "startDate": "2026-10-07",
  "endDate": "2026-10-09",
  "city": "Berlin",
  "country": "Germany",
  "online": false,
  "locales": "EN",
  "cocUrl": "https://www.nextappcon.com/code-of-conduct"
}

[github-actions]

This PR appears to be non-dev-related based on conference content analysis. It has been labeled as non-dev-related. If you believe this is an error, please let us know. Thank you!

[github-actions]

Conferences not in the right order,

please run the following command locally: npm run reorder-confs
or run the job reorder job for this branch

[github-actions]

Conferences not in the right order,

please run the following command locally: npm run reorder-confs
or run the job reorder job for this branch