Examine source code of OddsClicker

{
  "manifest_version": 2,
  "name": "OddsClicker",
  "short_name": "OC",
  "description": "The automation tool for adding bets to a betslip.",
  "version": "10.0.6",
  "homepage_url": "https://sporting.services/oddsclicker",
  "permissions": [
    "<all_urls>",
    "proxy",
    "storage",
    "tabs",
    "webNavigation"
  ],
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "oddsclicker@sporting.services",
      "strict_min_version": "103.0"
    },
    "gecko_android": {
      "strict_min_version": "120.0"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "browser_action": {
    "browser_style": false,
    "default_title": "Preferences",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "options_ui": {
    "browser_style": false,
    "page": "options/index.html",
    "open_in_tab": true
  },
  "background": {
    "scripts": [
      "/background.js"
    ],
    "persistent": true
  }
}