Add user, post 게시판 기능 추가

src/main/java/com/example/springsecuritystudy/controller/SampleController.java

@@ -0,0 +1,17 @@
+package com.example.springsecuritystudy.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+
+@Controller
+public class SampleController {
+
+	@GetMapping("/example")
+	public String example(Model model) {
+		model.addAttribute("name", "정우성");
+		model.addAttribute("age", 51);
+		return "example";
+	}
+
+}