BreakifyPanelLayout
BreakifyPanelLayout places a main panel beside a vertical stack of secondary panels from a selected breakpoint.
Below the breakpoint all panels are arranged vertically. mainFlex, secondaryFlex, reverse and secondaryDirection configure the horizontal layout.
BreakifyPanelLayout( breakpoint: BreakifyBreakpoint.lg, spacing: const BreakifyFluidValue(sm: 12, lg: 24), mainPanel: DashboardContent(), secondaryPanels: [ SummaryCard(), ActionsCard(), ], mainFlex: 2, secondaryFlex: 1, secondaryDirection: Axis.vertical,)Set reverse: true to place the secondary panels on the left without reversing their order. With secondaryDirection: Axis.horizontal, secondary panels share the available width equally in the horizontal layout.

