Describe business value of features in specs

@charlierudolph This is a preview of what I'm planning to do with all specs. Wanted to get your feedback before I invest a lot of time into this.

This helps understand WHY the feature exists. The steps then explain HOW the feature works.
This also helps formulate the value of Git Town to teams better.
```
As a developer extracting a commit that conflicts with the main branch
I want to have the option to either abort or resolve conflicts and continue
So that I can choose how I want to handle the conflict
```