Examine source code of Options on My Selector

{
  "manifest_version": 3,
  "description": "Export a page's HTML options lists to a file.",
  "name": "Options on My Selector",
  "permissions": [
    "activeTab",
    "scripting"
  ],
  "background": {
    "scripts": [
      "main.js"
    ]
  },
  "action": {
    "default_icon": "assets/edit-select-all_48.png",
    "default_title": "Options on My Selector"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "options-on-my-selector@wesinator.github.io"
    }
  },
  "icons": {
    "16": "assets/edit-select-all_16.png",
    "24": "assets/edit-select-all_24.png",
    "32": "assets/edit-select-all_32.png",
    "48": "assets/edit-select-all_48.png"
  },
  "version": "0.3.3"
}