Improved initial loading of web app

Prakhar Agarwalrequested to merge
prakhar/purr-data:improve_loading into emscripten

I have fixed the issue now the web app loads neatly. Precisely, I have moved the Bootstrap CSS file to head as typically all CSS files are in the head section.Fixes #708 (closed)

Edited by Prakhar Agarwal

Merge request reports