Examine source code of Swagger Generator

{
  "manifest_version": 2,
  "name": "Swagger Generator",
  "version": "1.0",
  "description": "Generate Swagger file for APIs used by websites",
  "permissions": [
    "tabs",
    "<all_urls>",
    "webRequest",
    "webRequestBlocking"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8fed7209-c8ef-4bdd-aab1-7516aef8aaff}"
    }
  }
}