Add dask.imperative.compute to docs
Add dask.imperative.compute to docs

cowlicks/dask,dask/dask,vikhyat/dask,blaze/dask,jcrist/dask,cpcloud/dask,mrocklin/dask,chrisbarber/dask,mraspaud/dask,gameduell/dask,blaze/dask,jayhetee/dask,ContinuumIO/dask,ContinuumIO/dask,jcrist/dask,clarkfitzg/dask,PhE/dask,vikhyat/dask,wiso/dask,mrocklin/dask,mraspaud/dask,jakirkham/dask,ssanderson/dask,mikegraham/dask,dask/dask,ssanderson/dask,PhE/dask,jakirkham/dask,pombredanne/dask,pombredanne/dask,wiso/dask,clarkfitzg/dask,jayhetee/dask