update pom version to 2.1.0-SNAPSHOT

README-EN.md

@@ -198,7 +198,7 @@ The current version Java API documentation: <http://alibaba.github.io/transmitta
 <dependency>
 	<groupId>com.alibaba</groupId>
 	<artifactId>transmittable-thread-local</artifactId>
-	<version>2.0.0</version>
+	<version>2.0.2</version>
 </dependency>
 ```
 

README.md

@@ -256,7 +256,7 @@ java -Xbootclasspath/a:transmittable-thread-local-2.0.0.jar \
 <dependency>
 	<groupId>com.alibaba</groupId>
 	<artifactId>transmittable-thread-local</artifactId>
-	<version>2.0.0</version>
+	<version>2.0.2</version>
 </dependency>
 ```
 

pom.xml

@@ -5,7 +5,7 @@
 
 	<groupId>com.alibaba</groupId>
 	<artifactId>transmittable-thread-local</artifactId>
-	<version>2.0.2-SNAPSHOT</version>
+	<version>2.1.0-SNAPSHOT</version>
 	<packaging>jar</packaging>
 	<name>TransmittableThreadLocal(TTL)</name>
 	<description>a simple lib for transmitting ThreadLocal value between thread even using thread pool.</description>