Updated Introduction to GitHub (markdown)
Updated Working with Branches (markdown)
Created Working with Branches (markdown)
Created How Git Works (markdown)
Updated GitHub Notes (markdown)
Updated Useful Commands in GitHub (markdown)
Updated _Sidebar (markdown)
Created Useful Commands in GitHub (markdown)
Created Introduction to GitHub (markdown)
Created GitHub Notes (markdown)
Updated Home (markdown)
Updated Finding Parts of the Page (markdown)