vim: comment syntax

assets/numbat.vim

@@ -41,4 +41,7 @@ if exists(":DoMatchIt")
   DoMatchIt
 endif
 
+setlocal comments=b:#,fb:-
+setlocal commentstring=#\ %s
+
 let b:current_syntax = "numbat"

modules/prelude.nbt

@@ -11,7 +11,7 @@ use units::astronomical
 use units::imperial
 use units::us_customary
 use units::nautical
-# use units::cgs
+use units::cgs
 use units::fff
 use units::misc