Examine source code of DEX Insight

{
  "author": "Morgan",
  "name": "DEX Insight",
  "version": "1.7.453",
  "manifest_version": 2,
  "description": "DEX Insight for Mozilla Firefox",
  "icons": {
    "32": "images/32.png",
    "48": "images/16.png",
    "64": "images/64.png",
    "128": "images/128.png",
    "512": "images/512.png",
    "1024": "images/1024.png"
  },
  "browser_action": {},
  "background": {
    "scripts": [
      "app/background_v2.js"
    ],
    "persistent": true
  },
  "permissions": [
    "storage",
    "tabs",
    "unlimitedStorage",
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "all_frames": false,
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "libs/jquery-ui-1.9.2.custom/css/ui-lightness/jquery-ui-1.9.2.custom.min.css",
        "libs/react/main-app.chunk.css",
        "libs/react/font.css"
      ],
      "js": [
        "embed/js.js",
        "libs/jquery-3.4.1.min.js",
        "libs/moment.js",
        "libs/moment-range.js",
        "libs/jquery.cookie.js",
        "libs/jquery-ui-1.9.2.custom/js/jquery-ui-1.9.2.custom.min.js",
        "libs/react/main-app.chunk.js",
        "libs/react/app.chunk.js",
        "libs/react/runtime-app.js",
        "app/content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    "*",
    "libs/react/font.css",
    "libs/react/fonts/*.svg",
    "libs/react/fonts/*.ttf",
    "libs/react/fonts/*.eot",
    "libs/react/fonts/*.woff"
  ],
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "browser_specific_settings": {
    "gecko": {
      "id": "{a26c8cad-a802-4445-b86a-dc9376a11270}"
    }
  }
}