Examine source code of Old Reddit Sidebar Toggle

{
  "manifest_version": 2,
  "name": "Reddit Sidebar Toggle",
  "short_name": "RTS",
  "version": "0.6",
  "description": "Toggles visibility for reddit's sidebar",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "author": "(Original from Chrome Extension Store) Nicholas DT Carvalho, Modified by KahnTek to work for Firefox",
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "permissions": [
    "storage",
    "tabs",
    "*://*.reddit.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.reddit.com/*"
      ],
      "js": [
        "jquery-3.6.0.min.js",
        "redditSidebarToggle.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{fa664c41-c23e-42dc-88cc-17e9e37c8de5}"
    }
  }
}