Examine source code of BlockGendern

{
  "manifest_version": 2,
  "name": "BlockGendern",
  "description": "Improves readability of the German language for people with dyslexia and non-native speakers and prevents pseudo-equality.",
  "version": "1.0.0.4",
  "permissions": [
    "storage"
  ],
  "icons": {
    "16": "./images/16.png",
    "48": "./images/48.png",
    "128": "./images/128.png"
  },
  "browser_action": {
    "default_popup": "./ui/popup.html",
    "default_icon": {
      "48": "./images/48.png",
      "128": "./images/128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_end",
      "js": [
        "./remover.js"
      ],
      "all_frames": true
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{a69baa67-40d6-45a0-932a-1d1f8abb74e6}"
    }
  }
}