Include more frequently used element gantt charts in the Boilerplate

[Deepika516]

Is your feature request related to a problem? Please describe.
Boiler plate to include more frequently used element such as gantt charts.By integrating this popular components we're working to provide a more comprehensive and efficient toolkit for Angular developers.

[yeshamavani]

there will be separate issue for all new modules that we add

[Deepika516]

there will be separate issue for all new modules that we add

ok.