Add support for api token to the demo app

[DannyvanderJagt]

Problem

The demo app only support 1 IMS account

Solution

Add support for api token so people with access to an api token can use different IMS acount(s)

Checklist

put n/a if item is not relevant to PR changes

• [ ] Has the CHANGELOG been updated?
• [ ] Has the README been updated?
• [ ] Has the CONTRIBUTING doc been updated?
• [ ] Has the RELEASE_GUIDELINES been updated?
• [ ] Has the TESTING_GUIDELINES been updated?
• [ ] Has the MIGRATION doc been updated for any MAJOR breaking changes?
• [ ] Has the MIGRATION doc been updated for any MINOR breaking changes, including any translation strings or keys changes?
• [ ] Have any new automated tests been implemented or the existing ones changed?
• [ ] Have any new manual tests been written down or the existing ones changed?
• [ ] Have any new strings been translated or the existing ones changed?

[github-actions[bot]]

https://2037-pr-onfido-sdk-ui-onfido.surge.sh 🚀 https://staging-2037-pr-onfido-sdk-ui-onfido.surge.sh 🚀

[github-actions[bot]]

UI Test results - Firefox

1 files  1 suites   2m 10s :stopwatch: 3 tests 3 :heavy_check_mark: 0 :zzz: 0 :x: 4 runs  4 :heavy_check_mark: 0 :zzz: 0 :x:

Results for commit fc881ed2.

[github-actions[bot]]

UI Test results - Chrome

  14 files    14 suites   30m 7s :stopwatch: 143 tests 137 :heavy_check_mark: 6 :zzz: 0 :x: 162 runs  154 :heavy_check_mark: 8 :zzz: 0 :x:

Results for commit fc881ed2.

[github-actions[bot]]

UI Test results - Edge

1 files  1 suites   2m 1s :stopwatch: 3 tests 3 :heavy_check_mark: 0 :zzz: 0 :x: 4 runs  4 :heavy_check_mark: 0 :zzz: 0 :x:

Results for commit fc881ed2.

[github-actions[bot]]

UI Test results - Safari

1 files  1 suites   2m 25s :stopwatch: 3 tests 3 :heavy_check_mark: 0 :zzz: 0 :x: 4 runs  4 :heavy_check_mark: 0 :zzz: 0 :x:

Results for commit fc881ed2.

[github-actions[bot]]

UI Test results - IE

1 files  1 suites   2m 50s :stopwatch: 3 tests 0 :heavy_check_mark: 0 :zzz: 0 :x: 3 :fire: 4 runs  0 :heavy_check_mark: 0 :zzz: 0 :x: 4 :fire:

For more details on these errors, see this check.

Results for commit fc881ed2.