docs: update godoc-current.txt

Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>

Author: Juneezee

godoc-current.txt

@@ -977,6 +977,30 @@ type SuggestCommandFunc func(commands []*Command, provided string) string
 
 type SuggestFlagFunc func(flags []Flag, provided string, hideHelp bool) string
 
+type TextFlag = FlagBase[TextMarshalUnMarshaller, StringConfig, TextValue]
+    TextFlag enables you to set types that satisfies TextMarshalUnMarshaller
+    using flags such as log levels.
+
+type TextMarshalUnMarshaller interface {
+	encoding.TextMarshaler
+	encoding.TextUnmarshaler
+}
+
+type TextValue struct {
+	Value  TextMarshalUnMarshaller
+	Config StringConfig
+}
+
+func (v TextValue) Create(t TextMarshalUnMarshaller, _ *TextMarshalUnMarshaller, c StringConfig) Value
+
+func (v TextValue) Get() any
+
+func (v TextValue) Set(s string) error
+
+func (v TextValue) String() string
+
+func (v TextValue) ToString(t TextMarshalUnMarshaller) string
+
 type TimestampArg = ArgumentBase[time.Time, TimestampConfig, timestampValue]
 
 type TimestampConfig struct {