Rough draft for hw#4
First commit
Added how to create remote upstream
Small formatting corrections
Finished instructions on syncing forked repository
Formatting changes
Added instructions on how to issue pull request
Updated formatting
Updated wording
Added merge commits section
Fixed some formatting
Fixed formatting with code example
Added git reset section
Fixed some formatting
Removed number list
Clarified editor
Fixed grammar error
Added link for git reset
Fixed grammar error
Cleaned up wording