Add lockscreen for all devices

[ro-savage]

All version of wallet should have the ability to lock the screen using a pin

• Android: Verify PIN working for android native
• Android: Verify Fingerprint working for android native
• Web: Add PIN
• Web: Investigate/Add fingerprint unlock
• iOS PWA: Add PIN
• iOS PWA: Investigate/Add fingerprint unlock

[IfaqYurmama]

Many laptops have fingerprint scanners too, would it be possible for NavPay to utilize that as well?

[ro-savage]

Depends on the Windows/Browser API for finger printer scanner. I'll make sure to take a look at it as well.