Examine source code of LinkedThin

{
  "manifest_version": 2,
  "name": "LinkedThin",
  "version": "1.0.0",
  "author": "Bryan Saraiva",
  "description": "An essential feed refiner that filters promotional and suggested content to provide a cleaner LinkedIn experience.",
  "homepage_url": "https://github.com/BryanSaraiva/linkedthin",
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg"
  },
  "permissions": [
    "https://www.linkedin.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.linkedin.com/*"
      ],
      "js": [
        "cleaner.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "linkedthin@bryansaraiva.com",
      "strict_min_version": "58.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}