** This app scans the QR code and
Do not connect immediately indiscriminately
After verifying the site address, the user can decide whether to connect or not.
**
** Main function
* QR code camera scan
1. Scan QR code with camera
2. If it is a website after scanning, the user chooses whether to connect or not
* Scan QR code image
1. Scan the QR code image saved on your phone
2. If it is a website after scanning, the user chooses whether to connect or not
** Auxiliary function
* Create QR code
1. The QR code creation function is an auxiliary function.
Includes a function to easily create a QR code
* Access rights
[Optional access rights]
Item: Camera permission
Reason: Required when recognizing QR codes with the camera.