added background image

src/main/java/de/jottyfan/camporganizer/module/admin/AdminController.java

@@ -1,18 +1,24 @@
 package de.jottyfan.camporganizer.module.admin;
 
+import javax.servlet.http.HttpServletRequest;
+
 import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
 
+import de.jottyfan.camporganizer.module.common.CommonController;
+
 /**
  *
  * @author jotty
  *
  */
 @Controller
-public class AdminController {
+public class AdminController extends CommonController {
 
 	@GetMapping("/admin")
-	public String getMain() {
+	public String getMain(Model model, HttpServletRequest request) {
+		super.setupSession(model, request);
 		return "/admin/main";
 	}