Update .gitignore

Signed-off-by: Zhou Zheng Sheng <zhshzhou@linux.vnet.ibm.com>
Add README

Signed-off-by: Zhou Zheng Sheng <zhshzhou@linux.vnet.ibm.com>
learn a Inp through proposing a ballot

Signed-off-by: Zhou Zheng Sheng <zhshzhou@linux.vnet.ibm.com>