Add 1.txt
merge with no-ff
rm 1.txt
Add 2.txt
Add 3
Add 4
Add 5
Merge branch 'feature'
Add 6
Add 7
Add 8
my_1
my_2
my_3
add my_4
add my_ 5 my_6
add my_7 my_8
add my_9 my_10