Examine source code of LinkedIn Post Picker

{
  "manifest_version": 3,
  "name": "LinkedIn Post Picker",
  "description": "Highlight only your own posts on LinkedIn",
  "version": "1.0.0",
  "permissions": [
    "scripting"
  ],
  "host_permissions": [
    "https://www.linkedin.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "linkedin-post-picker@muammedsaad.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "is_unnecessary_data_collection_allowed": false,
        "is_required_data_collection_allowed": false,
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "icons/in_icon16.png",
    "48": "icons/in_icon48.png",
    "128": "icons/in_icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.linkedin.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "action": {
    "default_title": "LinkedIn Post Picker"
  }
}