HEXLE API

Stripe payment gateway implementation replacing PayPal as primary payment provider

Removed Sofort and TWINT payment methods; consolidated PayPal configuration

Resolved ticket shop status duplication issues

Updated security permission system for fine-grained access control

Automated deployment branch reset for CI/CD pipeline

New email template system (Maizzle-based) with component architecture and localization support

Core email templates rebuilt with HexleMail v2 sender

P1 Ticket-specific email templates migrated to HexleMail v2

Updated Hexle Ticket logos in email templates

Added German-language API exception email templates

Dynamic placeholder generator and enums for email templates