Examine source code of Case Converter Pro

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "version": "2.3",
  "description": "__MSG_extensionDescription__",
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "case-converter-pro@webisko.com",
      "strict_min_version": "68.0"
    }
  },
  "author": "Webisko Development",
  "homepage_url": "https://github.com/webisko/case-converter-pro",
  "permissions": [
    "activeTab",
    "contextMenus",
    "clipboardWrite"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "16": "icons/icon.svg",
    "32": "icons/icon.svg",
    "48": "icons/icon.svg",
    "96": "icons/icon.svg",
    "128": "icons/icon.svg"
  }
}