Added section on performant conversions [skip ci]
Added section on performant conversions [skip ci]

st0012/searchkick,jprosevear/searchkick,johan--/searchkick,Xtinct/searchkick,st0012/searchkick,jprosevear/searchkick,ankane/searchkick,mikelkew/searchkick,mikelkew/searchkick,Xtinct/searchkick,spanner/searchkick,johan--/searchkick,spanner/searchkick