[FAB-15647] Fix markup of README

There is reStructuredText-style hyperlink.
This patch fix the markup to be rendered properly.

FAB-15647 #done

Signed-off-by: Yuta Namiki <[email protected]>
Change-Id: I744df9d3df763acaab0d086b6af152da74ff3127

Author: Yuta Namiki

README.md

@@ -4,7 +4,7 @@ This is a Java based implementation of Hyprledger Fabric chaincode shim APIs, wh
 
 Application developers interested in developing smart contracts (what we call chaincode) for Hyperledger Fabric should
 read the tutorial in TUTORIAL.md file and visit
-`Chaincode for developers <https://hyperledger-fabric.readthedocs.io/en/latest/chaincode4ade.html>`__.
+[Chaincode for developers](https://hyperledger-fabric.readthedocs.io/en/latest/chaincode4ade.html).
 
 Contributors or early adopters who need to be able to build and test recent Java chaincode shim, should reference [FAQ.md](FAQ.md) file.