Examine source code of Codychat Utilities

{
  "manifest_version": 3,
  "name": "Codychat Utilities",
  "version": "1.0.7",
  "author": "support@eridi.us",
  "homepage_url": "https://eridiusgroup.com/projects/chat-utils",
  "description": "A variety of tweaks and fixes for Codychat software!",
  "host_permissions": [
    "https://*.chat-avenue.com/*",
    "https://*.kidschat.net/*",
    "https://*.teen-chat.org/*",
    "https://*.321chat.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "chatutils@eridi.us",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent",
          "websiteActivity",
          "personalCommunications"
        ]
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.chat-avenue.com/*",
        "https://*.kidschat.net/*",
        "https://*.teenchat.org/*",
        "https://*.321chat.com/*"
      ],
      "js": [
        "./main.js"
      ],
      "world": "MAIN",
      "run_at": "document_end",
      "all_frames": true
    }
  ]
}