Examine source code of Liner Highlighter Lite

{
  "manifest_version": 2,
  "name": "Liner Highlighter Lite",
  "version": "1.0",
  "description": "Minimal AMO-safe text highlighter. Not affiliated with LINER.",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Liner Highlighter Lite",
    "default_popup": "popup.html"
  },
  "permissions": [
    "activeTab",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "liner-highlighter-lite@example.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}