:octocat: Added .gitattributes & .gitignore files
BarrelN2

blablabla
Lesson2
Delete Demo.java
Lesson2
Day3
Day2
Day2
Day2
Day3
Day3
Tanks
14.10
Day3
Revert "Day3"

This reverts commit 458d87ea0c2a8899b4e1d3e714307b226e355aa4.
Day3
day3
day3
18.10
Delete swapElements.java