Examine source code of Text Analyzer

{
  "manifest_version": 2,
  "name": "Text Analyzer",
  "version": "1.0.7",
  "description": "Analyze text selection statistics",
  "browser_action": {
    "default_popup": "popup/report.html",
    "default_title": "Text Analyzer"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "text-analyzer@example.net",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "contextMenus",
    "activeTab",
    "clipboardWrite",
    "storage"
  ],
  "icons": {
    "48": "tally-48.png",
    "96": "tally-96.png"
  },
  "background": {
    "scripts": [
      "engine/analysis-core.js"
    ]
  }
}