Expanded Shields: New Types, Enchantments, and Mechanics

1. Title: Reinforced & Spiked Shields Add new shields: Reinforced Shield (higher durability, less knockback) and Spiked Shield (damages melee attackers). Expands defensive and offensive options in combat. --- 2. Title: Elemental & Aegis Shields Introduce Elemental Shields (fire/blast resistant) and Aegis Shields (slows nearby enemies when blocking). Perfect for strategy and PvE defense. --- 3. Title: Shield-Only Enchantments New shield enchantments: Reflect (send projectiles back), Thorns, Quick Guard, Counterattack, Durability, Absorption. Makes shields more tactical and rewarding. --- 4. Title: Advanced Shield Mechanics Add Parry System, Shield Bash, Dual Shields, and Mount Shields. Provides new combat strategies for PvE, PvP, and mounted battles. --- 5. Title: Cosmetic & Utility Shields Add Banner Shields (custom patterns), Glowing Shields, and Potion-Infused Shields (temporary effects when blocking). Makes shields fun and visually distinct.