Examine source code of Sentiment Analysis

{
  "manifest_version": 2,
  "name": "Sentiment Analysis",
  "version": "1.0",
  "description": "Sentiment Analysis – Sentiment analysis, also known as opinion mining, is a computational technique used to determine and categorize the emotional tone or attitude expressed in a piece of text. Analyzing sentiment in text is a crucial task in natural language processing, allowing us to understand the emotional tone and attitude of the content",
  "permissions": [],
  "browser_action": {
    "default_popup": "game.html",
    "default_icon": {
      "128": "images/sen-logo.png"
    }
  },
  "icons": {
    "128": "images/sen-logo.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4ad5b417-e288-4c03-8feb-ba34cb66c1e9}"
    }
  }
}