Added Frontend Pages

* Homepage

* About page

* Contact page

* Pricing page

* Portfolio page

* Blog page

added stylish demo

solve some bg color issue

Updated File Structure

Separated sidebar header in partial folder

Updated Gulp File / and packages

Added package from direct npm and import it from there

Updated Bootstrap version 5.3.0-alpha1

Update box style

Calendar App Updated

Invoice app updated

TODO app updated

Documentation Updated

Landingpage Updated

Updated notification page

Updated carousel page

Updated scrollspy page

Updated toast page

Updated all packages to their compitable version

Added prismjs package in place of highlight

Updated to Bootstrap latest version 5.2.3

Initial Release