Added scroll container and minsize layout

uilayout/minsize.go

@@ -0,0 +1,33 @@
+package uilayout
+
+import "fyne.io/fyne/v2"
+
+type MinSize struct {
+	minSize fyne.Size
+}
+
+func NewMinSizeLayout(minSize fyne.Size) *MinSize {
+	return &MinSize{minSize: minSize}
+}
+
+func (l *MinSize) MinSize(objects []fyne.CanvasObject) fyne.Size {
+	size := l.minSize
+	for _, o := range objects {
+		childSize := o.MinSize()
+		if size.Width < childSize.Width {
+			size.Width = childSize.Width
+		}
+		if size.Height < childSize.Height {
+			size.Height = childSize.Height
+		}
+	}
+	return size
+}
+
+func (l *MinSize) Layout(objects []fyne.CanvasObject, containerSize fyne.Size) {
+	pos := fyne.NewPos(0, 0)
+	for _, o := range objects {
+		o.Resize(containerSize)
+		o.Move(pos)
+	}
+}