release1.2_alpha_centauri: Interactive frontend model (#7)

* Create app.ejs

* Adding renderer

* Update app.ejs

* Update app.ejs

* rendering response to page

* Update apiServer.js

* Update app.ejs

* Update apiServer.js

* rendering response to same page

* Update app.ejs

* rendering response on same page

* Transaction status

* Adding ejs module

release1.1: Merge pull request #6 from Salmandabbakuti/App

Update start.sh for docker permission issue on non sudo