Add missing back links to the layout catalog (flutter#51782)

Author: ened

packages/flutter/lib/src/widgets/basic.dart

@@ -1092,6 +1092,7 @@ class PhysicalShape extends SingleChildRenderObjectWidget {
 ///    that is relative to the child's size.
 ///  * [FittedBox], which sizes and positions its child widget to fit the parent
 ///    according to a given [BoxFit] discipline.
+///  * The [catalog of layout widgets](https://flutter.dev/widgets/layout/).
 class Transform extends SingleChildRenderObjectWidget {
   /// Creates a widget that transforms its child.
   ///
@@ -1887,6 +1888,7 @@ class Center extends Align {
 ///    size and positions the child according to an [Alignment] value.
 ///  * [CustomMultiChildLayout], which uses a delegate to position multiple
 ///    children.
+///  * The [catalog of layout widgets](https://flutter.dev/widgets/layout/).
 class CustomSingleChildLayout extends SingleChildRenderObjectWidget {
   /// Creates a custom single child layout.
   ///
@@ -1982,6 +1984,7 @@ class LayoutId extends ParentDataWidget<MultiChildLayoutParentData> {
 ///  * [Stack], which arranges children relative to the edges of the container.
 ///  * [Flow], which provides paint-time control of its children using transform
 ///    matrices.
+///  * The [catalog of layout widgets](https://flutter.dev/widgets/layout/).
 class CustomMultiChildLayout extends MultiChildRenderObjectWidget {
   /// Creates a custom multi-child layout.
   ///
@@ -3038,6 +3041,7 @@ AxisDirection getAxisDirectionFromAxisReverseAndDirectionality(
 ///    this layout algorithm (at the cost of being slightly less efficient).
 ///  * [ListView], which implements an efficient scrolling version of this
 ///    layout algorithm.
+///  * The [catalog of layout widgets](https://flutter.dev/widgets/layout/).
 class ListBody extends MultiChildRenderObjectWidget {
   /// Creates a layout widget that arranges its children sequentially along a
   /// given axis.

packages/flutter/lib/src/widgets/layout_builder.dart

@@ -195,6 +195,7 @@ mixin RenderConstrainedLayoutBuilder<ConstraintType extends Constraints, ChildTy
 ///  * [Builder], which calls a `builder` function at build time.
 ///  * [StatefulBuilder], which passes its `builder` function a `setState` callback.
 ///  * [CustomSingleChildLayout], which positions its child during layout.
+///  * The [catalog of layout widgets](https://flutter.dev/widgets/layout/).
 class LayoutBuilder extends ConstrainedLayoutBuilder<BoxConstraints> {
   /// Creates a widget that defers its building until layout.
   ///

packages/flutter/lib/src/widgets/scroll_view.dart

@@ -841,6 +841,7 @@ abstract class BoxScrollView extends ScrollView {
 ///    scrolling.
 ///  * [ScrollNotification] and [NotificationListener], which can be used to watch
 ///    the scroll position without using a [ScrollController].
+///  * The [catalog of layout widgets](https://flutter.dev/widgets/layout/).
 class ListView extends BoxScrollView {
   /// Creates a scrollable, linear array of widgets from an explicit [List].
   ///
@@ -1410,6 +1411,7 @@ class ListView extends BoxScrollView {
 ///    tiles that have a maximum cross-axis extent.
 ///  * [ScrollNotification] and [NotificationListener], which can be used to watch
 ///    the scroll position without using a [ScrollController].
+///  * The [catalog of layout widgets](https://flutter.dev/widgets/layout/).
 class GridView extends BoxScrollView {
   /// Creates a scrollable, 2D array of widgets with a custom
   /// [SliverGridDelegate].

packages/flutter/lib/src/widgets/table.dart

@@ -90,6 +90,10 @@ class _TableElementRow {
 ///
 /// For more details about the table layout algorithm, see [RenderTable].
 /// To control the alignment of children, see [TableCell].
+///
+/// See also:
+///
+///  * The [catalog of layout widgets](https://flutter.dev/widgets/layout/).
 class Table extends RenderObjectWidget {
   /// Creates a table.
   ///