add user create and list

cli/functions/user.go

@@ -0,0 +1,19 @@
+package functions
+
+import (
+	"net/http"
+
+	"github.com/gravitl/netmaker/models"
+)
+
+func HasAdmin() *bool {
+	return request[bool](http.MethodGet, "/api/users/adm/hasadmin", nil)
+}
+
+func CreateUser(payload *models.User) *models.User {
+	return request[models.User](http.MethodPost, "/api/users/"+payload.UserName, payload)
+}
+
+func ListUsers() *[]models.ReturnUser {
+	return request[[]models.ReturnUser](http.MethodGet, "/api/users", nil)
+}