expansion_tile_card 1.0.0+1

An "expansion" on the Flutter SDK's standard ExpansionTile, to create a Google Material Theme inspired raised widget, ExpansionTileCard, instead.

[1.0.0] - Initial release.

• Swap ExpansionTile's Container for a Material widget.
• Attach the Material's elevation to an Animation.
• Add a rounded border which hides in plain sight until raised.
• Drop borderColor and backgroundColor; use theme.canvasColor and theme.cardColor instead.

[1.0.0+1] - Example directory

• Provide an /example directory.