Add ssm-demo.md (#1642)
Add ssm-demo.md (#1642)


Intel-bigdata/SSM,littlezhou/SSM-1,littlezhou/SSM-1,Intel-bigdata/SSM,Intel-bigdata/SSM,Intel-bigdata/SSM,Intel-bigdata/SSM,Intel-bigdata/SSM,littlezhou/SSM-1,littlezhou/SSM-1,littlezhou/SSM-1,littlezhou/SSM-1,Intel-bigdata/SSM