Add dimensions and weight to product samples

I'm adding weight, height, width and depth to all products added by
product samples file.

sample/db/samples/products.rb

@@ -26,62 +26,103 @@
  tax_category: tax_category,
  shipping_category: shipping_category,
  price: 15.99,
- eur_price: 14
+ eur_price: 14,
+ weight: 0.5,
+ height: 5,
+ width: 5,
+ depth: 5
  },
  {
  name: "Ruby on Rails Bag",
  tax_category: tax_category,
  shipping_category: shipping_category,
  price: 22.99,
- eur_price: 19
+ eur_price: 19,
+ weight: 0.5,
+ height: 5,
+ width: 5,
+ depth: 5
  },
  {
  name: "Ruby on Rails Baseball Jersey",
  tax_category: tax_category,
  shipping_category: shipping_category,
  price: 19.99,
- eur_price: 16
+ eur_price: 16,
+ weight: 0.5,
+ height: 20,
+ width: 10,
+ depth: 5
  },
  {
  name: "Ruby on Rails Jr. Spaghetti",
  tax_category: tax_category,
  shipping_category: shipping_category,
  price: 19.99,
- eur_price: 16
+ eur_price: 16,
+ weight: 0.5,
+ height: 20,
+ width: 10,
+ depth: 5
 
  },
  {
  name: "Ruby on Rails Ringer T-Shirt",
  shipping_category: shipping_category,
  tax_category: tax_category,
  price: 19.99,
- eur_price: 16
+ eur_price: 16,
+ weight: 0.5,
+ height: 20,
+ width: 10,
+ depth: 5
+
  },
  {
  name: "Ruby Baseball Jersey",
  tax_category: tax_category,
  shipping_category: shipping_category,
  price: 19.99,
- eur_price: 16
+ eur_price: 16,
+ weight: 0.5,
+ height: 20,
+ width: 10,
+ depth: 5
+
  },
  {
  name: "Apache Baseball Jersey",
  tax_category: tax_category,
  shipping_category: shipping_category,
  price: 19.99,
- eur_price: 16
+ eur_price: 16,
+ weight: 0.5,
+ height: 20,
+ width: 10,
+ depth: 5
+
  },
  {
  name: "Ruby on Rails Mug",
  shipping_category: shipping_category,
  price: 13.99,
- eur_price: 12
+ eur_price: 12,
+ weight: 1,
+ height: 5,
+ width: 5,
+ depth: 5
+
  },
  {
  name: "Ruby on Rails Stein",
  shipping_category: shipping_category,
  price: 16.99,
- eur_price: 14
+ eur_price: 14,
+ weight: 1,
+ height: 5,
+ width: 5,
+ depth: 5
+
  }
 ]