Adding snippet for approach of change

Author: jagdish-15

exercises/practice/change/.approaches/dynamic-programming/snippet.txt

@@ -0,0 +1,8 @@
+class ChangeCalculator {
+    private final List<Integer> currencyCoins;
+
+    ChangeCalculator(List<Integer> currencyCoins) {
+        this.currencyCoins = currencyCoins;
+    }
+    // computeMostEfficientChange method
+}