refactor: 目录结构调整和代码优化

src/main/java/com/youlai/boot/YouLaiApplication.java

@@ -0,0 +1,23 @@
+package com.youlai.boot;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.context.properties.ConfigurationPropertiesScan;
+import org.springframework.scheduling.annotation.EnableScheduling;
+
+/**
+ * 应用启动类
+ *
+ * @author Ray
+ * @since 0.0.1
+ */
+@SpringBootApplication
+@ConfigurationPropertiesScan
+@EnableScheduling
+public class YouLaiApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(YouLaiApplication.class, args);
+    }
+
+}