feat(server): add mci-server module with Spring Boot 4.1

backend/mci-server/src/main/java/com/sino/mci/MciServerApplication.java

@@ -0,0 +1,12 @@
+package com.sino.mci;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class MciServerApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(MciServerApplication.class, args);
+    }
+}