Changes:
- Remove position: sticky from konto sidebar (dane, prywatnosc, bezpieczenstwo, blokady)
- Add "Firmy" link to admin dropdown menu (before "Użytkownicy")
- Add scan_websites_for_nip.py script for data quality
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
New user account management section with:
- /konto - Edit personal data (name, phone)
- /konto/prywatnosc - Privacy settings
- /konto/bezpieczenstwo - Security settings (2FA, password)
- /konto/blokady - User blocks management
Features:
- Consistent sidebar navigation across all pages
- Responsive layout (mobile-friendly)
- Polish UI with clear section names
Replaces scattered /settings/* routes with unified /konto/* structure.
Menu link updated from "Ustawienia" to "Moje konto".
Fixes user feedback issue #6: "Brak edycji profilu"
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
