Examine source code of Anchrd Tab Management

{
  "manifest_version": 3,
  "name": "Anchrd Tabs - Open Next to Current",
  "version": "1.0.4",
  "description": "Open new tabs next to the current one, not at the end of the strip. Per-trigger rules for link clicks, Ctrl+T, and Ctrl+Shift+T.",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "tabs",
    "storage",
    "sessions"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png"
    },
    "default_popup": "options.html",
    "default_title": "Anchrd Tabs settings"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "anchrd-tabs@griffentek.com",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}