Add code for issue BAEL-2574 (#6249)

* Add code for issue BAEL-2574

This is a code for article "Access Spring MVC Model object in JS"

Set up the project

Add a test

* Rename the test class

spring-boot-mvc/src/main/java/com/baeldung/accessparamsjs/App.java

@@ -0,0 +1,13 @@
+package com.baeldung.accessparamsjs;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class App {
+
+    public static void main(String[] args) {
+        SpringApplication.run(App.class, args);
+    }
+
+}

spring-boot-mvc/src/main/java/com/baeldung/accessparamsjs/Controller.java

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+package com.baeldung.accessparamsjs;
+
+import java.util.Map;
+
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.servlet.ModelAndView;
+
+/**
+ * Sample rest controller for the tutorial article 
+ * "Access Spring MVC Model object in JavaScript".
+ * 
+ * @author Andrew Shcherbakov
+ *
+ */
+@RestController
+public class Controller {
+
+    /**
+     * Define two model objects (one integer and one string) and pass them to the view.
+     *  
+     * @param model
+     * @return
+     */
+    @RequestMapping("/index")
+    public ModelAndView index(Map<String, Object> model) {
+        model.put("number", 1234);
+        model.put("message", "Hello from Spring MVC");
+        return new ModelAndView("/index");
+    }
+
+}