Examine source code of Scalinflow

{
  "name": "Scalinflow",
  "description": "This extenstion extract linkedin auth cookie.",
  "version": "1.2.1",
  "author": "Marouane KAFOU",
  "permissions": [
    "cookies",
    "storage",
    "https://*.linkedin.com/*"
  ],
  "externally_connectable": {
    "matches": [
      "http://localhost:3000/*",
      "https://develop--growth-machine.netlify.app/*",
      "https://staging--growth-machine.netlify.app/*",
      "*://app.scalinflow.com//*"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://localhost/*",
        "https://*.netlify.app/*"
      ],
      "js": [
        "content-script.js"
      ]
    }
  ],
  "icons": {
    "16": "logo-16.png",
    "48": "logo-48.png",
    "128": "logo-128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "logo-16.png",
    "default_title": "Scalinflow Linkedin Cookie Generator"
  },
  "manifest_version": 2
}