Fallen London Conversion Helper

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Fallen London Conversion Helper",
  "description": "This extension for Fallen London adds categories of convertible items to your inventory.",
  "browser_action": {
    "default_popup": "popup/popup.html"
  },
  "permissions": [
    "storage",
    "*://*.fallenlondon.com/"
  ],
  "version": "3.0.9",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "48": "img/icon-48.png",
    "128": "img/icon-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://fallenlondon.com/*",
        "https://*.fallenlondon.com/*"
      ],
      "css": [
        "styles.css"
      ],
      "js": [
        "content-script.js"
      ],
      "run_at": "document_end"
    }
  ]
}