Examine source code of Selection URL Templates

{
  "manifest_version": 3,
  "name": "Selection Context Placeholder",
  "version": "1.1.0",
  "description": "Right-click selected text and open a URL template, replacing {selection} with the selected text. Save and reuse multiple URL templates.",
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg",
    "128": "icon.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "selected-context-placeholder@local",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "contextMenus",
    "storage",
    "scripting",
    "activeTab",
    "clipboardRead"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}