Examine source code of Sentiment Analyzer Pro Sp

{
  "manifest_version": 2,
  "name": "Sentiment Analyzer Pro Sp",
  "version": "2.0",
  "description": "Analyze emotions in emails and messages, store history, and notify negative emotions.",
  "permissions": [
    "activeTab",
    "storage",
    "notifications",
    "background",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "32": "icons/logo_32.png",
      "64": "icons/logo_64.png",
      "128": "icons/logo_128.png"
    }
  },
  "icons": {
    "32": "icons/logo_32.png",
    "64": "icons/logo_64.png",
    "128": "icons/logo_128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{d193e1d4-ec5d-4011-b38e-35d3780e9656}"
    }
  }
}