nixos/bash: enable colors during completion

Changed files
+1
nixos
modules
programs
bash
+1
nixos/modules/programs/bash/inputrc
···
set input-meta on
set convert-meta off
set output-meta on
#set mark-symlinked-directories on
···
set input-meta on
set convert-meta off
set output-meta on
+
set colored-stats on
#set mark-symlinked-directories on