Load `RedcarpetCompat` when requiring 'redcarpet'
Load `RedcarpetCompat` when requiring 'redcarpet'

Fixes a backward incompatible change introduced in v3.2.0 via #401.

vmg/redcarpet,emq/redcarpet,Hacker0x01/redcarpet,liquorburn/redcarpet,increments/greenmat,be9/redcarpet,Hacker0x01/redcarpet,be9/redcarpet,vmg/redcarpet,kattybilly/redcarpet,emq/redcarpet,increments/greenmat,be9/redcarpet,increments/greenmat,Hacker0x01/redcarpet,liquorburn/redcarpet,kaneshin/redcarpet,kattybilly/redcarpet,liquorburn/redcarpet,fukayatsu/redcarpet,liquorburn/redcarpet,Hacker0x01/redcarpet,fukayatsu/redcarpet,vmg/redcarpet,be9/redcarpet,vmg/redcarpet,kattybilly/redcarpet,kaneshin/redcarpet,kaneshin/redcarpet,fukayatsu/redcarpet,kaneshin/redcarpet,increments/greenmat,fukayatsu/redcarpet,kattybilly/redcarpet,emq/redcarpet,emq/redcarpet