Add minecraft:foil item component (#110)

source/behavior/items/format/components/foil.json

@@ -0,0 +1,8 @@
+{
+  "$id": "blockception.minecraft.behavior.items.minecraft:foil",
+  "additionalProperties": false,
+  "required": ["texture"],
+  "type": "boolean",
+  "title": "Foil",
+  "description": "Foil or glint."
+}

source/behavior/items/format/minecraft.item.json

@@ -48,6 +48,7 @@
         "minecraft:durability": { "$ref": "./components/durability.json" },
         "minecraft:dye_powder": { "$ref": "./components/dye_powder.json" },
         "minecraft:entity_placer": { "$ref": "./components/entity_placer.json" },
+        "minecraft:foil": { "$ref": "./components/foil.json" },
         "minecraft:food": { "$ref": "./components/food.json" },
         "minecraft:fuel": { "$ref": "./components/fuel.json" },
         "minecraft:hand_equipped": { "$ref": "./components/hand_equipped.json" },