manifest.json

{
  "manifest_version": 2,
  "name": "USDB Plus",
  "version": "1.2.0",

  "description": "Customize UI of usdb.animux.de",

  "icons": {
    "32": "icon.svg",
    "64": "icon.svg",
    "128": "icon.svg"
  },
  
  "permissions": [
    // storage system requires storage permission, https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/storage
    "storage"
  ],

  "browser_specific_settings": {
    "gecko": {
      // https://extensionworkshop.com/documentation/develop/extensions-and-the-add-on-id/#when-do-you-need-an-add-on-id
      // > Manifest V2 extensions, you need to add an add-on ID when ... You use WebExtension APIs ... the following APIs: ... storage.sync
      "id": "usdb-plus@amo.example.com"
    }
  },

  "options_ui": {
    "page": "options/options.html"
  },

  "content_scripts": [
    {
      "matches": ["https://usdb.animux.de/*?link=list*"],
      "js": ["scripts/highlight_search_results.js"]
    },
    {
      "matches": ["https://usdb.animux.de/*?link=detail*"],
      "js": ["scripts/highlight_detail_page.js"]
    }
  ]
}