chore: freemarker 集成插件标注参考资料链接

sa-token-demo/sa-token-demo-freemarker/src/main/java/com/pj/SaTokenFreemarkerDemoApplication.java

@@ -4,6 +4,9 @@ import cn.dev33.satoken.SaManager;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+/**
+ * 参考链接：https://blog.csdn.net/m0_64210833/article/details/135994864
+ */
 @SpringBootApplication
 public class SaTokenFreemarkerDemoApplication {
 	

sa-token-plugin/sa-token-freemarker/src/main/java/cn/dev33/satoken/freemarker/dialect/SaTokenTemplateDirectiveModel.java

@@ -33,6 +33,12 @@ import java.util.function.Function;
  */
 public class SaTokenTemplateDirectiveModel implements TemplateDirectiveModel {
 
+    /*
+     * 参考资料：
+     *  - https://blog.csdn.net/m0_64210833/article/details/135994864
+     *  - https://blog.csdn.net/qq_35752835/article/details/111321893
+     */
+
     /**
      * 使用标签指令模板时，指定值的属性名
      */