3.2.0-beta,重构很大：升级springboot2.6.6、spring-cloud-alibaba 2021.1、mybatisplus3.5.1、代码规范部分重构

jeecg-boot/jeecg-boot-starter/jeecg-boot-starter-job/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <artifactId>jeecg-boot-starter</artifactId>
         <groupId>org.jeecgframework.boot</groupId>
-        <version>3.1.0</version>
+        <version>3.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>jeecg-boot-starter-job</artifactId>

jeecg-boot/jeecg-boot-starter/jeecg-boot-starter-job/src/main/java/org/jeecg/boot/starter/job/annotation/EnableXxlJob.java

@@ -0,0 +1,18 @@
+package org.jeecg.boot.starter.job.annotation;
+
+import org.jeecg.boot.starter.job.config.XxlJobConfiguration;
+import org.springframework.context.annotation.Import;
+
+import java.lang.annotation.*;
+
+/**
+ * @author zyf
+ */
+@Target({ ElementType.TYPE })
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+@Inherited
+@Import({ XxlJobConfiguration.class })
+public @interface EnableXxlJob {
+
+}