Examine source code of Skool Message Helper

{
  "manifest_version": 2,
  "name": "Skool Message Helper",
  "version": "1.0",
  "description": "Helps send templated messages on Skool",
  "permissions": [
    "activeTab",
    "storage",
    "*://*.skool.com/*",
    "*://api.skool.com/*",
    "*://ct.skool.com/*"
  ],
  "browser_action": {
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.skool.com/*",
        "*://api.skool.com/*",
        "*://ct.skool.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{b6e5dd21-740a-45ff-9df4-1e68578a6e10}"
    }
  }
}