Suggest afterthought/after some thought

Author: jsoref

.github/actions/spelling/line_forbidden.patterns

@@ -113,6 +113,9 @@
 # Should be `a large amount` or `large amounts`
 (?<=\bof )large amount(?= of data\b)
 
+# Should be `afterthought` or `after some thought`
+\bafter thought\b
+
 # Should be `and not` or `nor`
 \band nor\b