Added new method FlexItem::withAlignSelf()

modules/juce_gui_basics/layout/juce_FlexBox.cpp

@@ -842,3 +842,4 @@ FlexItem FlexItem::withHeight (float newHeight) const noexcept       { auto fi =
 
 FlexItem FlexItem::withMargin (Margin m) const noexcept              { auto fi = *this; fi.margin = m; return fi; }
 FlexItem FlexItem::withOrder (int newOrder) const noexcept           { auto fi = *this; fi.order = newOrder; return fi; }
+FlexItem FlexItem::withAlignSelf (AlignSelf a) const noexcept        { auto fi = *this; fi.alignSelf = a; return fi; }

modules/juce_gui_basics/layout/juce_FlexItem.h

@@ -155,4 +155,7 @@ public:
 
     /** Returns a copy of this object with a new order. */
     FlexItem withOrder (int newOrder) const noexcept;
+
+	/** Returns a copy of this object with a new alignSelf value. */
+    FlexItem withAlignSelf (AlignSelf newAlignSelf) const noexcept;
 };