Examine source code of Easy QR Code

{
  "manifest_version": 2,
  "name": "__MSG_appName__",
  "description": "__MSG_appDesc__",
  "version": "1.1.0",
  "icons": {
    "16": "/icon-16x16.png",
    "32": "/icon-32x32.png",
    "48": "/icon-48x48.png",
    "96": "/icon-96x96.png",
    "128": "/icon-128x128.png",
    "256": "/icon-256x256.png",
    "300": "icon-300x300.png"
  },
  "default_locale": "en",
  "browser_action": {
    "default_title": "Easy QR",
    "default_popup": "popup.html"
  },
  "permissions": [
    "tabs",
    "clipboardWrite",
    "contextMenus",
    "https://*/*"
  ],
  "web_accessible_resources": [
    "/icon-16x16.png",
    "/icon-32x32.png",
    "/icon-48x48.png",
    "/icon-96x96.png",
    "/icon-128x128.png",
    "/icon-256x256.png",
    "/modal.html"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{2ec1e408-7fe4-4db0-9554-1c6f81053361}"
    }
  }
}