Examine source code of Anilist Context Menu

{
  "manifest_version": 2,
  "name": "Anilist Context Menu",
  "author": "isweethero",
  "version": "1.2",
  "browser_specific_settings": {
    "gecko": {
      "id": "isweethero@gmail.com",
      "strict_min_version": "56.0a1"
    }
  },
  "description": "Context menu for Anilist search",
  "permissions": [
    "contextMenus"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "48": "icons/logo-48.png"
  }
}