Library looks great, but its difficult to understand to non-Chinese speakers. Could the Docs and README be translated to English? Regards.

Please consider mentioning explicitly in the documentation of scanpy.api.tl.diffmap that "the 0-th column is the steady-state solution, which is non-informative in diffusion maps", as mentioned here: https://github.com/theislab/single-cell-tutorial/blob/master/latest_notebook/Case-study_Mouse-intest

When a user saves the phenogrid as an SVG image, they will most likely share it in some way (show a colleague, add it as an image in a publication, etc.). We should replace the "Powered by The Monarch Initiative" text with more formal citation text at the bottom of the SVG image.