git rebase->jikkou9.txt ->Step1

Signed-off-by: HL <lecaoquochung@gmail.com>
git rebase->jikkou9.txt ->Step2

Signed-off-by: HL <lecaoquochung@gmail.com>
git rebase->jikkou9.txt ->Step3

Signed-off-by: HL <lecaoquochung@gmail.com>
git rebase->jikkou9.txt->Step4

Signed-off-by: HL <lecaoquochung@gmail.com>