Cloud demo 命名让人误解，更名

jeecg-boot/jeecg-boot-module-demo/src/main/java/org/jeecg/JeecgDemoCloudApplication.java

@@ -0,0 +1,14 @@
+package org.jeecg;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.openfeign.EnableFeignClients;
+
+@SpringBootApplication
+@EnableFeignClients
+public class JeecgDemoCloudApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(JeecgDemoCloudApplication.class, args);
+    }
+}