Updated Readme

[Odinachi]

:sparkles: What kind of change does this PR introduce? (Bug fix, feature, docs update...)

Doc Update

:arrow_heading_down: What is the current behavior?

App crashes on iOS when app getting position stream without setting background mode on iOS 16 and above

:new: What is the new behavior (if this is a feature change)?

:boom: Does this PR introduce a breaking change?

No

:bug: Recommendations for testing

:memo: Links to relevant issues/docs

https://developer.apple.com/documentation/watchkit/background_execution/enabling_background_sessions

:thinking: Checklist before submitting

• [x] I made sure all projects build.
• [ ] I updated pubspec.yaml with an appropriate new version according to the pub versioning philosophy.
• [ ] I updated CHANGELOG.md to add a description of the change.
• [x] I followed the style guide lines (code style guide).
• [x] I updated the relevant documentation.
• [ ] I rebased onto current master.

[codecov[bot]]

Codecov Report

Patch coverage has no change and project coverage change: +1.70 :tada:

Comparison is base (e60daab) 98.29% compared to head (1cc7f3c) 100.00%.

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #1227      +/-   ##
===========================================
+ Coverage   98.29%   100.00%   +1.70%     
===========================================
  Files           3         1       -2     
  Lines         117        30      -87     
===========================================
- Hits          115        30      -85     
+ Misses          2         0       -2     

Impacted Files	Coverage Δ
geolocator_android/lib/src/geolocator_android.dart
...tor_android/lib/src/types/foreground_settings.dart
...ocator_android/lib/src/types/android_settings.dart
geolocator/lib/geolocator.dart	100.00% <0.00%> (ø)

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