add scheme summary table

converted_scheme_summary.csv

@@ -0,0 +1,6 @@
+Scheme,N breeding pairs,Total successful matings,Average litter size,Average litters per pair,Total offspring,Total genotyped offspring
+het_hom x hom_het,2,3,2.67,1.5,8,8
+het_het x hom_wt,2,2,2.0,1.0,4,4
+wt_het x het_wt,2,2,1.5,1.0,3,3
+wt_hom x het_wt,2,2,1.0,1.0,2,2
+wt_hom x hom_wt,1,1,3.0,1.0,3,3