Edit git url in README

Author: hayzamjs

README.md

@@ -18,7 +18,7 @@ Please submit any changes as pull requests to the development branch, all change
 ```
 nvm use 11.9.0
 npm install -g quasar-cli
-git clone https://github.com/scala-network/scala-electron-wallet
+https://github.com/scala-network/scala-electron-gui/
 cd scala-electron-wallet
 cp path_to_scala_binaries/scalad bin/
 cp path_to_scala_binaries/scala-wallet-rpc bin/