Include lang iso

lang/isocode.go

@@ -0,0 +1,11 @@
+package utils
+
+var isoCodes = map[string]bool{
+	"eng":     true, // English
+	"swa":     true, // Swahili
+	"default": true, // Default language: English
+}
+
+func IsValidISO639(code string) bool {
+	return isoCodes[code]
+}