Decentralized ehtereum token exchange

I require a decentralized ethereum erc20 token exchange site. It will be simple similar functions to: [login to view URL] I need to easily add tokens and remove tokens if needed. header banner ad required. mobile friendly import private key and address to fund account with tokens and ether site to look similar style as: [login to view URL] site will be on /trade/ folder as i will create a landing page developer will need to do a write up for the white paper. Need it within 7 days if you need a long time that is out of my budget do not bid!!!