Mechanical Equation GUI pack

Ported to 1.21.

Ported to 24w14potato🥔.

• Fixed anvil panel.
• Fixed a rendering error for some empty slot smithing template armor trims.

• Fixed anvil panel.

Ported to 1.20.5~1.20.6.

• Hopper minecart panel restored.

• Smithing table panel refixed
• Hopper minecart panel restored.
• Fixed some problems.

• Hopper minecart panel restored.

Ported to 1.19~1.19.2.

Ported to 1.17~1.18.2.

Ported to 1.19.3.

• Fixed smithing table Panel.

Ported to 1.19.4~1.20.1.

• Fixed some problems.