fix the formate of readme
web3jsdk: JAVA FISCO-BCOS API
==================================
- web3sdk provide the java API for fisco-bcos node, the project fork from web3j of Ethereum and add the corresponding modification according to the FISCO-BCOS characteristics.
+Web3sdk provide the java API for fisco-bcos node, the project fork from web3j of Ethereum and add the corresponding modification according to the FISCO-BCOS characteristics.
This allows you to work with the FISCO-BCOS blockchain, without the additional overhead of having to write your own integration code for the platform.
+
![sdk.png](./images/sdk.png)
Features
--------
-- Complete implementation of fisco-bcos's `[JSON-RPC]( https://github.com/ethereum/wiki/wiki/JSON-RPC)
+- Complete implementation of fisco-bcos's [JSON-RPC]( https://github.com/ethereum/wiki/wiki/JSON-RPC)
- Auto-generation of Java smart contract wrappers to create, deploy, transact with and call smart
contracts from native Java code
[Solidity Introduce](https://solidity.readthedocs.io/en/v0.4.24)
