Add gem-cutter

[Zifiv]

The gem-cutter is a new block that is used to create worked version of gems and ores.

Entry ores/gems can be cut to different shapes, each shapes will give a different bonus effect to the items that will embed the worked version.

The list of accepted entry is :

• coal
• raw copper
• raw iron
• raw gold
• diamond
• emerald
• amethyst

The list of shapes :

• circle
• triangle
• square
• rhombus
• pentagon
• hexagon

The goal is to add a custom recipe type for the gem-cutter that will contain the entry ingredient and the list of shapes associated with the effect that will be applied to the entry ingredient.