Created Store panel setup file

Panel_Store.md

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+# Store Panel
+## Items new variables
+```js
+{
+  "materials": {
+    "id": "original:ore_coal",
+    "texture": "original/assets/textures/materials/ore/coal.png",
+    "displayName": "items.materials.original.ores.coal",
+    "description": "items.materials.original.ores.coal.desc",
+    "meta": {
+      "storeCategory": "original:materials",
+      "storeFeaturedDiscountPercentage": 0.5,
+      "storeFeaturedShowWeight": 10, #Higher number harder for role.
+      "storePrice": 50,
+      "storeSellValue": 10,
+      "storeShowWeight": 10 #Higher number harder for role.
+    }
+  }
+}
+```