feat: add ToKebabCase utility function for string formatting

- Introduced a new function ToKebabCase in utils/string.go to convert strings to kebab-case format.
- The function trims whitespace, converts to lowercase, and replaces spaces and underscores with hyphens, enhancing string manipulation capabilities in the codebase.

Author: tikazyq

core/utils/string.go

@@ -21,3 +21,11 @@ func ToPascalCase(s string) string {
 	s = strings.ReplaceAll(s, " ", "")
 	return s
 }
+
+func ToKebabCase(s string) string {
+	s = strings.TrimSpace(s)
+	s = strings.ToLower(s)
+	s = strings.ReplaceAll(s, " ", "-")
+	s = strings.ReplaceAll(s, "_", "-")
+	return s
+}