* Add proper error handling when creating a listing
* Remove accidentally committed stylesheet
* Make error text
* Preserve input values if the submission is invalid
* Add new line at the bottom of the file
* Fix some linter errors
* Add overlay and links to single listings
* Clean up some code
* Add escape key functionality to quit overlay
* Lint some code
* Add modal functionality
* Update styling for modal
* Fix some linter warnings
* Preserve the correct link all the time