Examine source code of Sentiment-Based New

{
  "manifest_version": 2,
  "name": "Sentiment-Based News Summarizer",
  "version": "1.0",
  "description": "Summarizes news articles and analyzes their sentiment.",
  "icons": {
    "48": "icon.png"
  },
  "permissions": [
    "activeTab",
    "storage"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{e907f014-72dc-4368-9b6d-3b222b213097}"
    }
  }
}