docs: Add chainmaker to the protocol list.
@@ -152,7 +152,7 @@ real node of an Ethereum compatible blockchain network must be available.
$chmod a+x ./build/demo/demo_<protocol>/<demo_name>
$./build/demo/demo_<protocol>/<demo_name>
```
-\<protocol\> can be `ethereum` `fiscobcos` `platone` `fabric` `platon` `hw_bcs`.
+\<protocol\> can be `ethereum` `fiscobcos` `platone` `fabric` `platon` `hw_bcs` `chainmaker`.
Make sure the network connection to the blockchain node (or blockchain simulator) is available.
