QRcode reader can name history

- Read the QR code.
- It can display the scanned content as a QR code, which is useful for boarding a flight.
- You can check the read contents as a history, and you can name the history.
- You can search, copy, and share what you read, but you can also work with LINE if the QR code starts with line: // (only if LINE is installed)
- Android Q also supports dark theme
- If you scan the QR code for WiFi connection, you can connect to WiFi!