Added routes for stories index and show page. Added controller for stories
Added a callback to provide sentence numbering
Added a column for sentence numbering
Updated routes
Adding basic story views
Added styling to underline commented sentences
adding gems for react
Adding react for comments. Can click on a sentence and show a comment box. Not yet the right comment box, but...
Clicking on a sentence will show the comments on that sentence
generic styling for comment popup
Comments appear in a popup window that can be removed with the escape key