Examine source code of DeepL Translate Extension

{
  "manifest_version": 2,
  "name": "DeepL Translate Extension",
  "version": "0.9.3",
  "description": "Translate selected text in new tab with DeepL",
  "icons": {
    "48": "icons/icon.svg"
  },
  "permissions": [
    "activeTab",
    "contextMenus",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "browser_style": true,
    "page": "options/options.html",
    "open_in_tab": false
  },
  "commands": {
    "translate-text": {
      "description": "Send the selected text to DeepL"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{95f1d964-0cff-4bb9-8e00-466306a1acf5}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}