add 新增 ruoyi-doc 模块 集成 Knife4j

ruoyi-visual/ruoyi-doc/src/main/java/com/ruoyi/doc/RuoyiDocApplication.java

@@ -0,0 +1,19 @@
+package com.ruoyi.doc;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * 文档服务
+ *
+ * @author Lion Li
+ */
+@SpringBootApplication
+public class RuoyiDocApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(RuoyiDocApplication.class, args);
+        System.out.println("(♥◠‿◠)ﾉﾞ  文档中心 启动成功   ლ(´ڡ`ლ)ﾞ  ");
+    }
+
+}