Adicionando mensagem para quando não há votações

Signed-off-by: Aline Santos <alinegsantoss@gmail.com>
Signed-off-by: Gabriel Augusto <gabriel.a.b@outlook.com>
Signed-off-by: Tallys Martins <tallysmartins@gmail.com>
Signed-off-by: Thatiany Sousa <thaty_sousa13@hotmail.com>
Signed-off-by: Winstein Martins <sriwinstein@gmail.com>