Add C enums

.github/actions/spelling/patterns.txt

@@ -15,8 +15,8 @@
 \bmount\s+-t\s+(\w+)\s+\g{-1}\b
 # C types and repeated CSS values
 \s(auto|buffalo|center|div|inherit|long|LONG|none|normal|solid|thin|transparent|very)(?: \g{-1})+\s
-# C struct
-\bstruct\s+(\w+)\s+\g{-1}\b
+# C enum and struct
+\b(?:enum|struct)\s+(\w+)\s+\g{-1}\b
 # go templates
 \s(\w+)\s+\g{-1}\s+\`(?:graphql|inject|json|yaml):
 # doxygen / javadoc / .net