To create bezier_in_lite.py

Created by: maxim1967

Addressed problem description

Creating a new node Bezier in Lite With the function of saving the curve object to a json file

Solution description

Creating a new node Bezier in Lite

Preflight checklist

Put an x letter in each brackets when you're done this item:

• Code changes complete.
• Code documentation complete.
• Documentation for users complete (or not required, if user never sees these changes).
• Manual testing done.
• Unit-tests implemented.
• Ready for merge.