manil@nisum.com:: EPE-001 :: PromotionEngine :: added resource end point for $ off

src/main/java/com/nisum/epe/demo/resource/PromotionEngineResource.java

+package com.nisum.epe.demo.resource;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.xml.ws.Response;
+
+@RestController
+public class PromotionEngineResource {
+
+    @GetMapping("pe/apply/dollar/off/benefit")
+    public String applyPromotions() {
+        return "dollar off promtions applied";
+    }
+}
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