chg: add multi column fields and allow button inside form

extension/ui/base.go

@@ -21,6 +21,7 @@ const (
 	FieldCheckbox       string = "Checkbox"
 	FieldRadioButton    string = "RadioButton"
 	FieldConsole        string = "Console"
+	FieldButton         string = "Button"
 	ValidatorDigitsOnly string = "digitsOnly"
 
 	Button_Ok     string = "Ok"
@@ -59,10 +60,10 @@ type SelectItem struct {
 }
 
 type Form struct {
-	Title       string      `json:"title"`
-	Description string      `json:"description"`
-	Fields      []FormField `json:"fields"`
-	Buttons     []string    `json:"buttons"`
+	Title       string        `json:"title"`
+	Description string        `json:"description"`
+	Fields      [][]FormField `json:"fields"`
+	Buttons     []string      `json:"buttons"`
 }
 
 func (f *Form) ToJSON() string {
@@ -71,6 +72,7 @@ func (f *Form) ToJSON() string {
 		fmt.Println("Error encoding to JSON:", err)
 		return ""
 	}
+
 	return (string(formJson))
 }