redirect-extention-firefox/manifest.json

{
  "browser_action": {
    "default_title": "redirect",
    "default_popup": "popup.html"
  },
  "content_security_policy": "script-src 'self' https://example.com; object-src 'self'",
  "default_locale": "en",
  "description": "create a redirect directly",
  "manifest_version": 2,
  "name": "redirect",
  "page_action": {
    "default_title": "redirect",
    "default_popup": "popup.html"
  },
  "permissions": ["webNavigation", "tabs"],
  "version": "0.1"
}