FfDL UI update

[drewbutlerbb4]

Developer's Certificate of Origin 1.1

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[fplk]

Please add copyright headers again and rebase since out-of-date with base branch. Thank you in advance.

[animeshsingh]

@Tomcli did you get a chance to review this. How does the UI functionally operate in lieu of recent code changes?

[Tomcli]

This GUI is using the same backend as our current GUI. Most of the changes are in the frontend side which will be an enhancement to our current frontend. The only thing we need to review here is do the FfDL team want to change any of the layouts or colors. I will post some screenshots over here.