Documentation for notification service in Bring integration

[tr4nt0r]

Proposed change

Add documentation for a notification service in the bring integration

Wording in the Mobile App has changed, updated this PR and made a PR to update the strings.json:

• https://github.com/home-assistant/core/pull/116181

Type of change

• [ ] Spelling, grammar or other readability improvements (current branch).
• [ ] Adjusted missing or incorrect information in the current documentation (current branch).
• [ ] Added documentation for a new integration I'm adding to Home Assistant (next branch).
  • [ ] I've opened up a PR to add logos and icons in Brands repository.
• [x] Added documentation for a new feature I'm adding to Home Assistant (next branch).
• [ ] Removed stale or deprecated documentation.

Additional information

• Link to parent pull request in the codebase: https://github.com/home-assistant/core/pull/109222
• Link to parent pull request in the Brands repository:
• This PR fixes or closes issue: fixes #

Checklist

• [x] This PR uses the correct branch, based on one of the following:
  • I made a change to the existing documentation and used the current branch.
  • I made a change that is related to an upcoming version of Home Assistant and used the next branch.
• [x] The documentation follows the Home Assistant documentation standards.

[netlify[bot]]

✅ Deploy Preview for home-assistant-docs ready!

Name	Link
🔨 Latest commit	069581110ba0e78a99d18f05cbb80039c2a4a425
🔍 Latest deploy log	https://app.netlify.com/sites/home-assistant-docs/deploys/662b4382391a860008f55a64
😎 Deploy Preview	https://deploy-preview-31522--home-assistant-docs.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.