Docs: Update user-interfaces.rst (#4333)
Docs: Update user-interfaces.rst (#4333)

This PR updates `user-interfaces.rst` with some list text formatting and naming conventions corrections (small stuff)
dask/dask,blaze/dask,jakirkham/dask,jcrist/dask,jcrist/dask,jakirkham/dask,ContinuumIO/dask,ContinuumIO/dask,dask/dask,mrocklin/dask,blaze/dask,mrocklin/dask