Examine source code of MobiDevToolsFull

{
  "name": "MobiDevToolsFull",
  "version": "0.4.3",
  "manifest_version": 2,
  "description": "A mobile devtools for debugging web sites and applications with the console, DOM, network info, sources, and more.",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "background": {
    "page": "background.html"
  },
  "browser_action": {
    "default_title": "Mobile DevTools Full"
  },
  "web_accessible_resources": [
    "node_modules/eruda/eruda.js",
    "toggle-devtools.js"
  ],
  "applications": {
    "gecko": {
      "id": "@mobidevtoolsfull",
      "strict_min_version": "57.0"
    }
  },
  "permissions": [
    "activeTab"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'; font-src 'self' data:; default-src 'self' data: blob:; style-src 'self' data:; img-src 'self' data:;"
}