66 Diagnostic page

[mwarman]

📢 Instructions

• Begin with a DRAFT pull request.
• Follow italicized instructions to add detail to assist the reviewers.
• After completing all checklist items, change the pull request to READY.

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🔧 Change Summary

List the changes included in this pull request.

• Issue: Diagnostic page #66
• Create a diagnostics page which displays attributes about the application and the platform on which it is running.

📝 Checklist

Pull request authors must complete the following tasks before marking the PR as ready to review.

• Complete a self-review of changes
• Unit tests have been created or updated
• The code is free of [new] lint errors and warnings

🧪 Steps to Test

Describe the process to test the changes in this pull request.

1. View the diagnostics page on several types of devices both in web, emulators, and native builds. Ensure the values match the platform.

🔗 Additional Information

Optionally, provide additional details, screenshots, or URLs that may assist the reviewer.

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