Examine source code of Open in Cooked

{
  "manifest_version": 2,
  "name": "Open in Cooked",
  "version": "1.0",
  "description": "Reopens webpage in Cooked (cooked.wiki)",
  "homepage_url": "https://codeberg.org/mdpenguin/OpenInCooked",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "open_in_cooked@mdpenguin.org"
    }
  },
  "permissions": [
    "tabs"
  ],
  "browser_action": {
    "default_icon": "icons/icon-32.png",
    "default_title": "Open in Cooked"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}