[feature] Add adds_skill method
[feature] Add adds_skill method

Signed-off-by: Colin Schoen <a3acbfc9b5a4c75eeeb7c33280348e7f320f1240@gmail.com>

adnanhemani/enrollme,colinschoen/enrollme,adnanhemani/enrollme,adnanhemani/enrollme,colinschoen/enrollme,colinschoen/enrollme