Updated README.md documentation

Added getBuyableWeight() method to fully implement the interface, in the Buyable example.
bumbummen99 · Sep 2, 2020 · 55f7934 · 55f7934
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commit 55f7934
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diff --git a/README.md b/README.md
@@ -416,6 +416,9 @@ class Product extends Model implements Buyable {
     public function getBuyablePrice($options = null) {
         return $this->price;
     }
+    public function getBuyableWeight($options = null) {
+        return $this->weight;
+    }
 }
 ```