Go template function to split string into array of strings. (#3108)

* added new template function to split string

* StrSplit func to upper

---------

Co-authored-by: otabek <kh.otabek@iman.uz>

codegen/templates/templates.go

@@ -206,6 +206,7 @@ func Funcs() template.FuncMap {
 		"call":               Call,
 		"prefixLines":        prefixLines,
 		"notNil":             notNil,
+		"strSplit":           StrSplit,
 		"reserveImport":      CurrentImports.Reserve,
 		"lookupImport":       CurrentImports.Lookup,
 		"go":                 ToGo,
@@ -581,6 +582,10 @@ func notNil(field string, data any) bool {
 	return val.IsValid() && !val.IsNil()
 }
 
+func StrSplit(s, sep string) []string {
+	return strings.Split(s, sep)
+}
+
 func Dump(val any) string {
 	switch val := val.(type) {
 	case int: