PLT-2863 adding remove user from team (#3429)

* PLT-2863 adding remove user from team

* PLT-2863 adding the client side UI

* Fixing trailing space

* Fixing reported issues

* Adding documentatino

* Switching to final javascript driver

model/team_member.go

@@ -14,9 +14,10 @@ const (
 )
 
 type TeamMember struct {
-	TeamId string `json:"team_id"`
-	UserId string `json:"user_id"`
-	Roles  string `json:"roles"`
+	TeamId   string `json:"team_id"`
+	UserId   string `json:"user_id"`
+	Roles    string `json:"roles"`
+	DeleteAt int64  `json:"delete_at"`
 }
 
 func (o *TeamMember) ToJson() string {