sulfuras rule

Java/src/main/java/com/gildedrose/rules/SulfurasQualityRule.java

@@ -0,0 +1,14 @@
+package com.gildedrose.rules;
+
+public class SulfurasQualityRule extends QualityRule {
+
+    @Override
+    public boolean shouldApply(String itemName) {
+        return "Sulfuras, Hand of Ragnaros".equals(itemName);
+    }
+
+    @Override
+    public Result calculateQuality(int oldQuality) {
+        return new Result(oldQuality, true);
+    }
+}