Add forach->foreach spelling correction

Author: cfi-gb

codespell_lib/data/dictionary_code.txt

@@ -34,6 +34,7 @@ errorstring->error string
 exitst->exists, exist, exits,
 falsy->falsely, false,
 focusin->focusing, focus in,
+forach->foreach
 gadjet->gadget
 gadjets->gadgets
 gae->game, Gael, gale,