Examine source code of Search with DWDS

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "0.1.4",
  "default_locale": "de",
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "63.0"
    }
  },
  "icons": {
    "16": "icons/favicon-16.png",
    "32": "icons/favicon-32.png",
    "48": "icons/favicon-48.png",
    "64": "icons/icon-64.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "omnibox": {
    "keyword": "dwds"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "menus",
    "search",
    "https://www.dwds.de/"
  ],
  "chrome_settings_overrides": {
    "search_provider": {
      "name": "DWDS",
      "search_url": "https://www.dwds.de/?q={searchTerms}",
      "keyword": "dwds",
      "favicon_url": "https://www.dwds.de/favicon-32x32.png",
      "is_default": false,
      "encoding": "UTF-8"
    }
  },
  "author": "Adrien Barbaresi",
  "homepage_url": "https://github.com/zentrum-lexikographie/dwds-addon"
}