fix test names, missing templates

spring-boot-bootstrap/src/main/java/com/baeldung/web/SimpleController.java

@@ -0,0 +1,19 @@
+package com.baeldung.web;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@Controller
+public class SimpleController {
+
+    @Value("${spring.application.name}")
+    String appName;
+
+    @RequestMapping("/")
+    public String homePage(Model model) {
+        model.addAttribute("appName", appName);
+        return "home";
+    }
+}