DOC: add vertical space in towncrier template
DOC: add vertical space in towncrier template

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