Ability to read JWT token via QR Code

[rjmangubat23]

Context

• Add scanning for QR Codes that contain JWT tokens
• Ability to decode and verify a signature
• Update display response
• Additional: Load JWT configuration as QR code in Settings screen

Specs

• Scan QR code with JWT configuration
  • After scannig a QR code, it should redirect to the settings page
  • It will replace the current setting configuration "Profile name" and "Public Key"
  • A toast (popup info) information will show up saying "Configuration loaded successfully"
• Scan QR code with JWT payload
  • Must validate that the public key to decode JWT, otherwise it throws error saying "Error: Signature verification failed. Please ensure a configuration profile was loaded"
  • If success, it should show a list of key/values pair payload
  • If the button "Show raw result" is tapped, it will display the raw result page
• Scan QR code without JWT payload
  • It will show the raw result page

Reference

Designs https://www.figma.com/file/olRF7LbcmADK0M3x3ytYNd/%5BSCOPE-174066%5D-ID-Pass-SmartScanner---Newlogic?node-id=0%3A1

Test Sample https://docs.google.com/document/d/12LAht16BKgov-7jSlvDktbZxoCG6g58cSIHz0lhaP4I/edit?usp=sharing

Test Sample 2 https://docs.google.com/document/d/1NWWSbEibXYEMnMleKP0LFKd3vlOACZM5xgJGJxTUNdA/edit?usp=sharing

[nicholemnl]

Additional to fix :

• Overlap config in the settings page bottom is overlapping views for smaller screen android

• API for QRcode is not ready for integration