Configure builds

- Create `dartsass.builds` initializer and add all Sass files to be compiled. See https://github.com/rails/dartsass-rails#configuring-builds
- Create .keep
- Update manifest file to use /builds directory
- Ignore /builds

Co-Authored-By: Martin Jones <[email protected]>

Author: jon-kirwan

.gitignore

@@ -7,6 +7,8 @@
 tmp/*
 log/*.log
 public/assets
+/app/assets/builds
+!/app/assets/builds/.keep
 
 # See https://yarnpkg.com/getting-started/qa#which-files-should-be-gitignored
 .yarn/cache/

app/assets/config/manifest.js

@@ -1,9 +1,5 @@
 //= link_tree ../images
 //= link application.js
 //= link test-dependencies.js
-//= link application-ie8.css
-//= link application-print.css
-//= link application.css
-//= link guides-print.css
-//= link print.css
 //= link modules/base-target.js
+//= link_tree ../builds

config/initializers/dartsass.rb

@@ -0,0 +1,8 @@
+# config/initializers/dartsass.rb
+Rails.application.config.dartsass.builds = {
+  "application-ie8.scss" => "application-ie8.css",
+  "application-print.scss" => "application-print.css",
+  "application.scss" => "application.css",
+  "guides-print.scss" => "guides-print.css",
+  "print.scss" => "print.css",
+}