feat(example): add set user identification and attribute

[ahmedAlaaInstabug]

Description of the change

1. simple app: add user identification from in settings screen
2. simple app: add set the user attributes from in settings screen

Settings Screen

Type of change

• [ ] Bug fix (non-breaking change that fixes an issue)
• [x] New feature (non-breaking change that adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Related issues

Jira ID = MOB-13917 , MOB-13918

Checklists

Development

• [ ] Lint rules pass locally
• [ ] The code changed/added as part of this pull request has been covered with tests

Code review

• [ ] This pull request has a descriptive title and information useful to a reviewer
• [ ] Issue from task tracker has a link to this pull request

[mnoseir]

Coverage Report

Label	Coverage	Status
JavaScript	96.3%	✅
Android	47.8%	✅
iOS	41.7%	✅

Generated by :no_entry_sign: dangerJS against 704133a0a3b52e68f58cc1c075dc8fab4be6de27

[InstabugCI]

Coverage Report

Label	Coverage	Status
JavaScript	96.3%	✅
Android	47.8%	✅
iOS	41.7%	✅

Generated by :no_entry_sign: dangerJS against 7f9f3586b54d5df95f5ba3885ed0308ead80dd2c