Create support-new-action-guide.md
Create support-new-action-guide.md

how to support a new action
PHILO-HE/SSM,qiyuangong/SSM,qiyuangong/SSM,PHILO-HE/SSM,qiyuangong/SSM,PHILO-HE/SSM,PHILO-HE/SSM,PHILO-HE/SSM,qiyuangong/SSM,qiyuangong/SSM,qiyuangong/SSM,PHILO-HE/SSM,qiyuangong/SSM,PHILO-HE/SSM