Generic HTML 5 Drag and Drop support for Flow 7.0.2

<!-- https://jarcasting.com/artifacts/com.vaadin/flow-dnd/ -->
<dependency>
    <groupId>com.vaadin</groupId>
    <artifactId>flow-dnd</artifactId>
    <version>7.0.2</version>
</dependency>

// https://jarcasting.com/artifacts/com.vaadin/flow-dnd/
implementation 'com.vaadin:flow-dnd:7.0.2'

// https://jarcasting.com/artifacts/com.vaadin/flow-dnd/
implementation ("com.vaadin:flow-dnd:7.0.2")

'com.vaadin:flow-dnd:jar:7.0.2'

<dependency org="com.vaadin" name="flow-dnd" rev="7.0.2">
  <artifact name="flow-dnd" type="jar" />
</dependency>

@Grapes(
@Grab(group='com.vaadin', module='flow-dnd', version='7.0.2')
)

libraryDependencies += "com.vaadin" % "flow-dnd" % "7.0.2"

[com.vaadin/flow-dnd "7.0.2"]