Exercises Session 4

While still on the master branch create 2 new files A.txt and B.txt with the content "a file" and "b file" respevtively.
Commit the changes.
As you make the changes, keep using gitk --all to observe the changes.

Create three new branches featureA, featureB, and featureC. (or any other names)
On master make a commit to README. (Add a line 'this is master')
On featureA make a few commits to a file called A.txt.
On featureB make a few commits to a file called B.txt.
On featureC make a commit to README changing (Add a line 'this is feaure C').