Update README.md

Author: vitiko

README.md

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-# solidity-test-example
+# Solidity test example
 
 Example of testing [Congress contract (DAO)](https://www.ethereum.org/dao) from [Ethereum.org](https://www.ethereum.org/) with [Truffle framework](http://truffleframework.com/)
+
+Contracts source taken from article at Ethereum.Org and placed here [contracts/](/contracts) 
+
+Tests is here [test/](/test). Tests written in JavaScript using async/await features.  
+
+Before run test you need to install dependencies by command `npm install`
+
+After run `truffle test`