Reimplement rigboard page in a fully responsive manner (#567)

* Revive this concept for 2023

(cherry picked from commit b3939d8426)

# Conflicts:
#	pipeline/source_assets/scss/dark_screen.scss

* Update app.json

* Updates to all three layouts

gulpfile.js

@@ -79,7 +79,7 @@ function browserSync(done) {
   spawn('python', ['manage.py', 'runserver'], {stdio: 'inherit'});
   // TODO Wait for Django server to come up before browsersync, it seems inconsistent
   browsersync.init({
-    notify: false,
+    notify: true,
     open: false,
     port: 8001,
     proxy: '127.0.0.1:8000'