How can I add my own data annotation method?

[1hell0the1others8]

Recently I need to annotate curvilinear data.
How to add a method like B-spline curve fitting in labelme?
Or which python file should I modify?

Thanks!

[psomers3]

@1hell0the1others8 You can take a look at the pull request I just made for this for help where to change things. #822