feat(other): add max length in textformfield

lib/widgets/custom_text_form_field.dart

@@ -34,6 +34,7 @@ class CustomTextFormField extends StatelessWidget {
     this.onChanged,
     this.onEditingComplete,
     this.minLines = 1,
+    this.maxLength,
     super.key,
   });
 
@@ -67,6 +68,7 @@ class CustomTextFormField extends StatelessWidget {
   final Function()? onEditingComplete;
   final void Function(String?)? onSaved;
   final void Function(String)? onChanged;
+  final int? maxLength;
 
   @override
   Widget build(BuildContext context) {
@@ -74,6 +76,7 @@ class CustomTextFormField extends StatelessWidget {
       alignment: alignment ?? Alignment.center,
       child: TextFormField(
         minLines: minLines,
+        maxLength: maxLength,
         onChanged: onChanged,
         controller: controller,
         focusNode: focusNode ?? null,