Added kNN model already trained

Signed-off-by: Luiz Carlos Cavalcanti <ext-luiz-carlos.cavalcanti@nokia.com>
Added decision tree model

Signed-off-by: Luiz Carlos Cavalcanti <ext-luiz-carlos.cavalcanti@nokia.com>
Added SVM model

Signed-off-by: Luiz Carlos Cavalcanti <ext-luiz-carlos.cavalcanti@nokia.com>