Add SearchArea component and tie it to locations
Add basic styling for the search field
Add keyboard shortcut to focus search field
Make sure that escape clears the search
Allow keyboard navigation of locations and adding
Scroll to the selectedLocation when it changes
Move search shortcut to 'keyup' to avoid entering the character
Change search placeholder text when focused

This provides better instruction on the keyboard shortcuts
Add a library-info tips area
Move search event handlers to SearchArea component
Move location selection events to Library
Merge pull request #10 from sirbrillig/add-location-search

Add location search and keyboard navigation