Doc stub pages for drag and dop stately (#3740)

Author: snowystinger

packages/@react-stately/dnd/docs/useDraggableCollectionState.mdx

@@ -0,0 +1,42 @@
+{/* Copyright 2020 Adobe. All rights reserved.
+This file is licensed to you under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License. You may obtain a copy
+of the License at http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software distributed under
+the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
+OF ANY KIND, either express or implied. See the License for the specific language
+governing permissions and limitations under the License. */}
+
+import {Layout} from '@react-spectrum/docs';
+export default Layout;
+
+import docs from 'docs:@react-stately/dnd';
+import {HeaderInfo, TypeContext, InterfaceType, FunctionAPI, TypeLink, PageDescription} from '@react-spectrum/docs';
+import packageData from '@react-stately/dnd/package.json';
+
+---
+category: Drag and Drop
+keywords: [lists, state, dragging, dropping, drag, drop]
+---
+
+# useDraggableCollectionState
+
+<PageDescription>{docs.exports.useDraggableCollectionState.description}</PageDescription>
+
+<HeaderInfo
+  packageData={packageData}
+  componentNames={['useDraggableCollectionState']} />
+
+## API
+
+<FunctionAPI function={docs.exports.useDraggableCollectionState} links={docs.links} />
+
+## Interface
+
+<TypeContext.Provider value={docs.links}>
+  <InterfaceType properties={docs.links[docs.exports.useDraggableCollectionState.return.id].properties} />
+</TypeContext.Provider>
+
+## Example
+
+See the docs for [useDraggableCollection](/react-aria/useDraggableCollection.html) in react-aria for an example of `useDraggableCollectionState`.

packages/@react-stately/dnd/docs/useDroppableCollectionState.mdx

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+{/* Copyright 2020 Adobe. All rights reserved.
+This file is licensed to you under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License. You may obtain a copy
+of the License at http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software distributed under
+the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
+OF ANY KIND, either express or implied. See the License for the specific language
+governing permissions and limitations under the License. */}
+
+import {Layout} from '@react-spectrum/docs';
+export default Layout;
+
+import docs from 'docs:@react-stately/dnd';
+import {HeaderInfo, TypeContext, InterfaceType, FunctionAPI, TypeLink, PageDescription} from '@react-spectrum/docs';
+import packageData from '@react-stately/dnd/package.json';
+
+---
+category: Drag and Drop
+keywords: [lists, state, dragging, dropping, drag, drop]
+---
+
+# useDroppableCollectionState
+
+<PageDescription>{docs.exports.useDroppableCollectionState.description}</PageDescription>
+
+<HeaderInfo
+  packageData={packageData}
+  componentNames={['useDroppableCollectionState']} />
+
+## API
+
+<FunctionAPI function={docs.exports.useDroppableCollectionState} links={docs.links} />
+
+## Interface
+
+<TypeContext.Provider value={docs.links}>
+  <InterfaceType properties={docs.links[docs.exports.useDroppableCollectionState.return.id].properties} />
+</TypeContext.Provider>
+
+## Example
+
+See the docs for [useDroppableCollection](/react-aria/useDroppableCollection.html) in react-aria for an example of `useDroppableCollectionState`.