Examine source code of Security.txt Parser

{
  "manifest_version": 2,
  "name": "Security.txt Parser",
  "version": "1.1resigned1",
  "description": "A parser for security.txt files for security researchers",
  "permissions": [
    "tabs",
    "<all_urls>"
  ],
  "browser_action": {
    "default_title": "Scan for security.txt file",
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "content_security_policy": "default-src 'self'; connect-src *",
  "browser_specific_settings": {
    "gecko": {
      "id": "{9a52a756-cdcb-448e-9947-51b4a3e31437}"
    }
  }
}