Add dimaond -> diamond

mpv-player/mpv@bdf7b5c#diff-619397abfd57f521bdc84d430b647beaaaae75c5270a030b8e875c276f02b486

Author: Moiman

codespell_lib/data/dictionary.txt

@@ -12759,6 +12759,8 @@ dimands->demands, diamonds,
 dimansion->dimension
 dimansional->dimensional
 dimansions->dimensions
+dimaond->diamond
+dimaonds->diamonds
 dimemsions->dimensions
 dimenion->dimension, dominion,
 dimenional->dimensional