Add flutterCon India for networking, data, devops

[confs-tech-bot]

Conference information

Website: https://india.fluttercon.dev

// networking, data, devops

{
  "name": "flutterCon India",
  "url": "https://india.fluttercon.dev",
  "startDate": "2026-11-21",
  "endDate": "2026-11-21",
  "city": "Bangalore",
  "country": "India",
  "online": false,
  "locales": "EN",
  "cocUrl": "https://india.fluttercon.dev/code-of-conduct-fluttercon-india"
}

[prigara]

@copilot remove from 2026/networking.json, 2026/data.json and 2026/devops.json and add to 2026/general.json

{
  "name": "flutterCon India",
  "url": "https://india.fluttercon.dev",
  "startDate": "2026-11-21",
  "endDate": "2026-11-21",
  "city": "Bangalore",
  "country": "India",
  "online": false,
  "locales": "EN",
  "cocUrl": "https://india.fluttercon.dev/code-of-conduct-fluttercon-india"
}

[Copilot]

@prigara I've opened a new pull request, #8340, to work on those changes. Once the pull request is ready, I'll request review from you.