Case Studies Module Drupal Addition

Changes

Added static dir to assets in storybook
Updated build_fe.orch to copy down static dir to web
Created case studies module that takes a dynamic route, feeds it to controller that retrieves the corresponding page from pages dir in module
Got the markup from gatsby for each individual case study and removed all unused styling/markup
Created library for module that has minified css from gatsby
Enabled module and checked routes
Functionality wrapped in try catch to 404 on bad url

Check out this branch, lando start && lando build

This closes #113 AND #92
~~I will need to expand the paragraph for blurb so I can use blurb collection featured to make the landing page for our-work~~
I also merged in BSD-140 to take care of the default content stuff!