Fix a few bugs

v4.0

Update Bootstrap to v5
Deprecate third party plugin pages
Update font-awesome to Bootstrap Icons

Build source files

Add npm badge in README, Add pull request template

Add NodeJs development server

Fix #35: Add RTL Support

Update Bootstrap to v4 stable & Bump version to 2.2.0

Update Bootstrap to version 4.0 beta 3

Update README

Grunt Build