Create Drop down Menu in GUI for selecting different linestyles

[aditodkar]

Drop down Menu should be similar to that of Drop down for color see screenshot for more clarity. Check linestyles available in matplotlib https://matplotlib.org/devdocs/gallery/lines_bars_and_markers/line_styles_reference.html

[akshatnitd]

I want to work on this

[djmgit]

Great! Please go ahead 👍