Add "view code" links to documentation (#6793)
Add "view code" links to documentation (#6793)

Many parts of dask's API are sparsely documented. The dataframe API usually only referes to pandas and does not document additional arguments. Adding a "view code" link is quite handy to check what the addtitional, undocumented arguments really do.
dask/dask,jakirkham/dask,jakirkham/dask,blaze/dask,dask/dask,blaze/dask