Register intent-filter for shc protocol

[dlh3]

Please register an intent-filter for the shc protocol, so the app can be automatically opened to the results page when a QR code is scanned from outside the app (ie, using the camera or Google Assistant scanners).

Reference: https://developer.android.com/training/app-links/deep-linking

[will-freshworks]

Thanks for the suggestion. I will add this to our backlog for prioritization.