feat: 项目初始化

dolphin-compose/src/main/java/day/gitlab/dolphin/DolphinApplication.java

@@ -0,0 +1,12 @@
+package day.gitlab.dolphin;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class DolphinApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(DolphinApplication.class, args);
+    }
+}