FrameGenerator missing a Python docstring

[dbogdanov]

The FrameGenerator algorithm is missing a docstring for documetation in Python.

We can add it in a custom way inside algorithms.py using setattribute.

[awagenknecht]

Hello! I'm new here and looking to contribute. Please let me know if this documentation should be done differently.

I have included inputs and outputs in the docstring although they are not present in the __struct__ because I think it provides clarity. I am wondering if the input audio argument should be included in __struct__ since it is a required argument to initialize an object of this class.