Docs: Update array-creation.rst (#4164)
Docs: Update array-creation.rst (#4164)

This PR updates `array-creation.rst` with some punctuation and naming corrections among other small improvements.
jakirkham/dask,mrocklin/dask,dask/dask,jcrist/dask,jcrist/dask,ContinuumIO/dask,dask/dask,blaze/dask,jakirkham/dask,ContinuumIO/dask,mrocklin/dask,blaze/dask