[BAEL-14274] - Fixed article code for https://www.baeldung.com/swagger-2-documentation-for-spring-rest-api

spring-security-rest/src/main/java/org/baeldung/web/controller/CustomController.java

@@ -0,0 +1,14 @@
+package org.baeldung.web.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+
+@Controller
+public class CustomController {
+    
+    @RequestMapping(value = "/custom", method = RequestMethod.POST)
+    public String custom() {
+        return "custom";
+    }
+}