Extension:GrowthExperiments/growthexperiments mentor mentee table

mysql> describe growthexperiments_mentor_mentee; +--+--+--+-+-+---+ +--+--+--+-+-+---+ +--+--+--+-+-+---+
 * Field           | Type             | Null | Key | Default | Extra |
 * gemm_mentee_id  | int(10) unsigned | NO   | PRI | NULL    |       |
 * gemm_mentor_role | varbinary(255)  | NO   | PRI | NULL    |       |
 * gemm_mentor_id  | int(10) unsigned | NO   | MUL | NULL    |       |