Refactor select prompt to be set from dropdown.

Signed-off-by: Hendra Uzia <hendra.uzia@yahoo.co.id>
Refactor and add dropdown name parameter.

Signed-off-by: Hendra Uzia <hendra.uzia@yahoo.co.id>
Refactor key for current dropdown to field attribute.

Signed-off-by: Hendra Uzia <hendra.uzia@yahoo.co.id>
Add dropdown parameters api to readme.

Signed-off-by: Hendra Uzia <hendra.uzia@yahoo.co.id>
Add assumption & limitation.

Signed-off-by: Hendra Uzia <hendra.uzia@yahoo.co.id>
Add data-parent and data-child auto generate attributes.

Signed-off-by: Hendra Uzia <hendra.uzia@yahoo.co.id>
Add data-group attribute to be more specific on event binding.

Signed-off-by: Hendra Uzia <hendra.uzia@yahoo.co.id>
Refactor update to simply pass data and child key.

Signed-off-by: Hendra Uzia <hendra.uzia@yahoo.co.id>
Refactor initial dropdown item reset.

Signed-off-by: Hendra Uzia <hendra.uzia@yahoo.co.id>
Add data source example in readme.

Signed-off-by: Hendra Uzia <hendra.uzia@yahoo.co.id>
Refactor data from javascript to html.

Signed-off-by: Hendra Uzia <hendra.uzia@yahoo.co.id>
Refactor data cache variable name to use array for better multi form support.

Signed-off-by: Hendra Uzia <hendra.uzia@yahoo.co.id>