DOC: Add PyArray_ContiguousFromObject C docs (gh-16207)
DOC: Add PyArray_ContiguousFromObject C docs (gh-16207)

Add documentation for `PyArray_ContiguousFromObject` similar to the other
macros wrapping `PyArray_FromAny`

Fixes #16196
rgommers/numpy,mattip/numpy,jakirkham/numpy,abalkin/numpy,numpy/numpy,rgommers/numpy,charris/numpy,madphysicist/numpy,pbrod/numpy,mhvk/numpy,abalkin/numpy,numpy/numpy,abalkin/numpy,grlee77/numpy,simongibbons/numpy,pdebuyl/numpy,simongibbons/numpy,numpy/numpy,mhvk/numpy,mhvk/numpy,grlee77/numpy,jakirkham/numpy,seberg/numpy,charris/numpy,grlee77/numpy,rgommers/numpy,endolith/numpy,pbrod/numpy,mhvk/numpy,madphysicist/numpy,rgommers/numpy,endolith/numpy,grlee77/numpy,charris/numpy,pdebuyl/numpy,numpy/numpy,madphysicist/numpy,seberg/numpy,seberg/numpy,anntzer/numpy,simongibbons/numpy,jakirkham/numpy,simongibbons/numpy,seberg/numpy,pbrod/numpy,charris/numpy,anntzer/numpy,grlee77/numpy,anntzer/numpy,mattip/numpy,mattip/numpy,endolith/numpy,mattip/numpy,pbrod/numpy,jakirkham/numpy,mhvk/numpy,pdebuyl/numpy,jakirkham/numpy,endolith/numpy,anntzer/numpy,pbrod/numpy,madphysicist/numpy,pdebuyl/numpy,simongibbons/numpy,madphysicist/numpy