[WIP]: Add all demo componentsfor dropzone demo page. M;issing to solve issue...

[WIP]: Add all demo componentsfor dropzone demo page. M;issing to solve issue for unique styles on each dropzone, styling is buggy. Weird behaviour on ripple when dragging. Suggestion for id style can be a combination of color-minHeight-backgound. Also backgroundColor should be replaced for just background since is more complete