Added Keyboard Shortcut to open QR-Code

[BetaHuhn]

Feature

• Added the keyboard shortcut Ctrl+Q to open the QR-Code popup. This simplifies the process and saves time when creating the QR-Code.

Changes

Added

 "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Q",
        "mac": "MacCtrl+Q"
      }
    }
  }

to manifest.json