creating a new spinner field

Signed-off-by: Jonnatas Lennon Lima Costa <jonatas_lenon@hotmail.com>
Signed-off-by: Elaine Cristina Meirelles <ecmeirelles@hotmail.com>
Merge branch 'search_by_indicator' of https://github.com/UnB-MDS-GPP/qualcurso into search_by_indicator
Merge branch 'search_by_indicator' of https://github.com/UnB-MDS-GPP/qualcurso into search_by_indicator
create checbox and buttons

Signed-off-by: Jonnatas Lennon Lima Costa <jonatas_lenon@hotmail.com>
Signed-off-by: Elaine Cristina Meirelles <ecmeirelles@hotmail.com>