VSN-1856/ feat(store): add establishment and manager email/phone check functions

• Added useEstablishmentStore with checkEstablishementEmail and checkEstablishementPhone to validate email/phone uniqueness.
• Added useEstablishmentManagerStore with:
  • checkManagerEmail and checkManagerPhone for manager validation.
  • fetchProfile, updateProfile, deleteManager, and setManagerAsPrimary for complete profile management.
• Implemented proper error handling and loading state for all async actions.
• Integrated API endpoints using axios and FormData for profile updates.