Examine source code of TextArray

{
  "manifest_version": 3,
  "name": "TextArray",
  "version": "1.0.0",
  "description": "Send selected text to TextArray's 300+ local text tools. Nothing leaves your machine.",
  "homepage_url": "https://textarray.com",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "permissions": [
    "contextMenus",
    "storage"
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "omnibox": {
    "keyword": "ta"
  },
  "action": {
    "default_title": "TextArray",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "textarray@apptiary.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}