Update README.md

Signed-off-by: Eric Zhao <sczyh16@gmail.com>

README.md

@@ -30,6 +30,9 @@ See the [中文文档](https://github.com/alibaba/Sentinel/wiki/%E4%BB%8B%E7%BB%
 
 See the [Wiki](https://github.com/alibaba/Sentinel/wiki) for full documentation, examples, blog posts, operational details and other information.
 
+Sentinel provides integration module for various open-source frameworks and libraries
+(e.g. Spring Cloud, Apache Dubbo, gRPC, Spring WebFlux, Reactor). You can refer to [the document](https://github.com/alibaba/Sentinel/wiki/Adapters-to-Popular-Framework) for more information.
+
 If you are using Sentinel, please [**leave a comment here**](https://github.com/alibaba/Sentinel/issues/18) to tell us your scenario to make Sentinel better.
 It's also encouraged to add the link of your blog post, tutorial, demo or customized components to [**Awesome Sentinel**](./doc/awesome-sentinel.md).
 
@@ -52,7 +55,7 @@ If your application is build in Maven, just add the following dependency in `pom
 <dependency>
     <groupId>com.alibaba.csp</groupId>
     <artifactId>sentinel-core</artifactId>
-    <version>1.5.0</version>
+    <version>1.5.1</version>
 </dependency>
 ```