added implementation in GO lang

internal/modes/notimplemented.go

@@ -0,0 +1,34 @@
+package modes
+
+import (
+	"image/color"
+
+	"github.com/hajimehoshi/ebiten/v2"
+
+	"kidskeyboard/internal/ui"
+)
+
+type NotImplementedMode struct {
+	label string
+}
+
+func NewNotImplementedMode(label string) *NotImplementedMode {
+	return &NotImplementedMode{label: label}
+}
+
+func (m *NotImplementedMode) Name() string { return m.label }
+func (m *NotImplementedMode) OnEnter()     {}
+func (m *NotImplementedMode) OnLeave()     {}
+func (m *NotImplementedMode) HandleInput() {}
+func (m *NotImplementedMode) Update()      {}
+func (m *NotImplementedMode) Draw(screen *ebiten.Image) {
+	screen.Fill(color.Black)
+	w, h := screen.Bounds().Dx(), screen.Bounds().Dy()
+	boxW := float32(w) * 0.62
+	boxH := float32(h) * 0.28
+	x := (float32(w) - boxW) / 2
+	y := (float32(h) - boxH) / 2
+	ui.RectOutline(screen, x, y, boxW, boxH, 5, color.NRGBA{R: 255, G: 220, A: 255})
+	ui.CenteredText(screen, "Este nebolo implementovane", w/2, h/2-24, color.NRGBA{R: 255, A: 255}, 3)
+	ui.CenteredText(screen, m.label, w/2, h/2+42, color.White, 3)
+}