Examine source code of Markdown Templates

{
  "manifest_version": 3,
  "name": "Markdown Templates",
  "version": "1.2.1",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "64": "icon/64.png",
    "96": "icon/96.png",
    "128": "icon/128.png",
    "256": "icon/256.png"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{bef69f19-0394-48b8-ae0b-b263bcb3c447}"
    }
  },
  "action": {
    "default_title": "Popup",
    "default_popup": "popup.html"
  },
  "options_ui": {
    "open_in_tab": true,
    "page": "options.html"
  }
}