Add QR scanner for walletconnect (#36)

* Add page for scanning qr code

* Refactor code

* Ask for permission to use camera

* Change Qr to QR

* Seperate imports

* QR instead of Qr

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Co-authored-by: Adw8 <adwait@deepstacksoft.com>

android/gradle.properties

@@ -39,3 +39,5 @@ newArchEnabled=false
 # Use this property to enable or disable the Hermes JS engine.
 # If set to false, you will be using JSC instead.
 hermesEnabled=true
+
+VisionCamera_enableCodeScanner=true