Examine source code of Text Case Transformer

{
  "manifest_version": 2,
  "name": "Text Transformer",
  "version": "1.0.0",
  "description": "Reshape any text in one click: change case, build camelCase or snake_case identifiers, and generate tidy URL slugs with transliteration. Fully local.",
  "icons": {
    "32": "assets/icon-32.png",
    "48": "assets/icon-48.png",
    "64": "assets/icon-64.png",
    "96": "assets/icon-96.png",
    "128": "assets/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9da0326d-5d00-4929-8cd0-0fe0b065c249}",
      "strict_min_version": "101.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "contextMenus",
    "clipboardWrite",
    "storage"
  ],
  "background": {
    "scripts": [
      "scripts/convert.js",
      "scripts/background.js"
    ]
  },
  "browser_action": {
    "default_title": "Text Transformer",
    "default_popup": "scripts/popup.html",
    "default_icon": {
      "32": "assets/icon-32.png",
      "48": "assets/icon-48.png",
      "64": "assets/icon-64.png"
    }
  }
}