Examine source code of ColibriMonitoring

{
  "manifest_version": 2,
  "name": "ColibriMonitoring",
  "version": "1.0.7",
  "description": "Мониторинг цен, акций, скидок конкурентов!",
  "homepage_url": "https://colibri-monitoring.ru/",
  "icons": {
    "48": "icons/icon48.svg",
    "96": "icons/icon96.svg"
  },
  "permissions": [
    "activeTab",
    "contextMenus",
    "menus"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "applications": {
    "gecko": {
      "id": "support@colibri-monitoring.ru",
      "strict_min_version": "65.0"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "main.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": "icons/icon48.svg",
    "default_popup": "popup/info.html",
    "default_title": "ColibriMonitoring"
  }
}