docs(app-check): update Swift integration docs to explain bridging header mod

[mikehardy]

Description

This is a follow-on to a PR just now that fixed the actual build for Expo plugin users

This docs update explains how to do the same for non-Expo folks

Related issues

• fix(app-check): use bridging header instead of Swift module import #8867

Release Summary

docs only

Checklist

• I read the Contributor Guide and followed the process outlined there for submitting PRs.
  • Yes
• My change supports the following platforms;
  • Android
  • iOS
  • Other (macOS, web)
• My change includes tests;
  • e2e tests added or updated in packages/\*\*/e2e
  • jest tests added or updated in packages/\*\*/__tests__
• I have updated TypeScript types that are affected by my change.
• This is a breaking change;
  • Yes
  • No

Test Plan

I made the PR in the textbox of github web UI and used preview, it looked good

---

Think react-native-firebase is great? Please consider supporting the project with any of the below:

• 👉 Star this repo on GitHub ⭐️
• 👉 Follow React Native Firebase and Invertase on Twitter

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
react-native-firebase	Ready	Preview, Comment	Jan 31, 2026 10:41pm