* Add explore page
* Move sidebar to a configurable component
* Fix homepage test
* Add images
* Store example notebooks in files and make explore notebooks linkable
* Fix tests
* Raise on invalid notebook slug
* Keep just the file contents in notebook info
* Move notebook lookup to Explore
* Exclude notebooks in progress
Prior to this PR the HTML head was being
included twice on the password auth page.
One from root.html and another from the
error page, so we decoupled those.
* Render modal components at the end of live views
* Add error pages
* Restructure web module
* Update lib/livebook_web/templates/error/500.html.eex
Co-authored-by: José Valim <jose.valim@dashbit.co>
* Update lib/livebook_web/templates/error/500.html.eex
Co-authored-by: José Valim <jose.valim@dashbit.co>
* Update lib/livebook_web/views/error_view.ex
Co-authored-by: José Valim <jose.valim@dashbit.co>
Co-authored-by: José Valim <jose.valim@dashbit.co>