Add avg_sil_plot parameters and documentation skeleton
Add avg_sil_plot parameters and documentation skeleton

nsh87/receptormarker,daniel0128/receptormarker,catterbu/receptormarker,nsh87/receptormarker,daniel0128/receptormarker,nsh87/receptormarker,catterbu/receptormarker,catterbu/receptormarker,daniel0128/receptormarker,catterbu/receptormarker,daniel0128/receptormarker,daniel0128/receptormarker,nsh87/receptormarker,daniel0128/receptormarker,catterbu/receptormarker,daniel0128/receptormarker,nsh87/receptormarker