Examine source code of Augury

{
  "name": "Augury",
  "short_name": "Augury",
  "version": "1.24.1",
  "description": "Extends the Developer Tools, adding tools for debugging and profiling Angular applications.",
  "permissions": [
    "storage"
  ],
  "browser_action": {
    "default_icon": {
      "16": "images/icon16-disabled.png",
      "48": "images/icon48-disabled.png",
      "128": "images/icon128-disabled.png"
    },
    "default_popup": "popup.html"
  },
  "devtools_page": "index.html",
  "background": {
    "scripts": [
      "build/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "build/content-script.js"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    "node_modules/*",
    "build/*"
  ],
  "manifest_version": 2,
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "applications": {
    "gecko": {
      "id": "augury@rangle.io"
    }
  }
}