Examine source code of RETRN - Price Tracker

{
  "manifest_version": 3,
  "default_locale": "en",
  "name": "__MSG_extName__",
  "version": "1.2.5",
  "description": "__MSG_extDescription__",
  "permissions": [
    "storage",
    "tabs",
    "activeTab"
  ],
  "host_permissions": [
    "<all_urls>",
    "https://retrn.mochi-labs.fr/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "retrn-extension@mochi-labs.fr",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "personallyIdentifyingInfo",
          "websiteActivity",
          "websiteContent"
        ]
      }
    }
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-default-16.png",
      "48": "icons/icon-default-48.png",
      "128": "icons/icon-128.png"
    },
    "default_title": "__MSG_actionTitle__"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_script.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "icons": {
    "16": "icons/icon-default-16.png",
    "48": "icons/icon-default-48.png",
    "128": "icons/icon-128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "icons/*.png",
        "config.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}