Draft accessibility stories

UserStories/Accessibility.md

+# Accessibility
+
+*Attn: Keith Hays for additional user stories*
+
+## Mobility
+
+I have mobility issues. This solution:
+* must support logical keyboard navigation
+* should not use deeply nested hover menus
+* could support alternate input methods
+
+## Neurological
+
+*Placeholder* UI should be clearly labeled and logically arranged.
+
+## Vision
+
+I am visually impaired. This solution must:
+* work with my screenreader
+* work at alternate display sizes
+* work with high/low contrast color schemes