Examine source code of PolySwarm NectarNet

{
  "description": "Earn NCT tokens browsing the internet.",
  "version": "1.1.8",
  "name": "PolySwarm NectarNet",
  "manifest_version": 2,
  "background": {
    "scripts": [
      "background.bundle.js"
    ]
  },
  "permissions": [
    "webNavigation",
    "webRequest",
    "storage",
    "notifications",
    "<all_urls>"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon-34.png"
  },
  "icons": {
    "34": "icon-34.png",
    "128": "icon-128.png"
  },
  "content_scripts": [],
  "web_accessible_resources": [
    "icon-128.png",
    "icon-34.png"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{1c518d3c-7775-4119-a587-82ac6026d762}"
    }
  }
}