Examine source code of LinkedIn Noise Remover

{
  "icons": {
    "128": "icon.png"
  },
  "manifest_version": 2,
  "browser_action": {
    "default_icon": {
      "128": "icon.png"
    },
    "default_popup": "index.html"
  },
  "version": "0.7.3",
  "author": "DeeJayy",
  "name": "LinkedIn Noise Remover",
  "description": "LinkedIn Noise Remover",
  "permissions": [
    "storage",
    "https://www.linkedin.com/feed/"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.linkedin.com/feed/"
      ],
      "js": [
        "main.js"
      ],
      "all_frames": true,
      "css": [
        "main.css"
      ]
    }
  ],
  "web_accessible_resources": [
    "main.css"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{e7a7340e-988c-46d1-9fba-c473df78e5a5}"
    }
  }
}