Examine source code of Java Redirector

{
  "manifest_version": 3,
  "name": "Java-Redirector",
  "version": "6.0",
  "description": "Redirects your Browser to the newest version of the javadocs",
  "icons": {
    "48": "icons/java-redirect-48.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "storage"
  ],
  "host_permissions": [
    "*://docs.oracle.com/*"
  ],
  "background": {
    "scripts": [
      "java-redirect.js"
    ]
  },
  "options_ui": {
    "page": "settings.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b75af37b-574d-4746-ac34-629fa349cf81}"
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "json/modules-v10.json",
        "json/modules-v11.json",
        "json/modules-v12.json",
        "json/modules-v13.json",
        "json/modules-v14.json",
        "json/modules-v15.json",
        "json/modules-v16.json",
        "json/modules-v17.json",
        "json/modules-v18.json",
        "json/modules-v19.json",
        "json/modules-v20.json",
        "json/modules-v21.json"
      ],
      "matches": [
        "*://docs.oracle.com/*"
      ]
    }
  ]
}