EC L_Ender's Cataclysm Plugin

• update to 1.21.1
• misc improvements/adjustments

• added missing black steel shield material tooltip lang entry

added l_enders cataclysm 2.27 support
added cursium, bone reptile, and black steel items

fixed tag names

fixed some lang issues

added witherite and amethyst crab shell materials

now works with ec 3.0.0