remove medium-editor-rails and switch to CDN on editor pages

Gemfile

@@ -61,9 +61,6 @@ gem 'meta-tags'
 # gem 'serendipitous', :path => "../serendipitous-gem"
 gem 'serendipitous', git: 'https://github.com/indentlabs/serendipitous-gem.git'
 
-# Editor
-gem 'medium-editor-rails'
-
 # Graphs & Charts
 gem 'chartkick'
 gem 'd3-rails', '~> 5.9.2' # used for spider charts

Gemfile.lock

@@ -1445,8 +1445,6 @@ GEM
     marcel (1.0.2)
     material_icons (4.0.0)
       railties (>= 3.2)
-    medium-editor-rails (2.3.1)
-      railties (>= 3.0)
     memory_profiler (1.0.1)
     meta-tags (2.18.0)
       actionpack (>= 3.2.0, < 7.1)
@@ -1723,7 +1721,6 @@ DEPENDENCIES
   language_filter
   listen
   material_icons
-  medium-editor-rails
   memory_profiler
   meta-tags
   mini_racer (~> 0.6.3)

app/assets/javascripts/application.js

@@ -12,7 +12,6 @@
 //
 //= require_tree ./preload
 //= require cocoon
-//= require medium-editor
 //= require Chart.bundle
 //= require chartkick
 //= require autocomplete-rails

app/assets/stylesheets/application.css

@@ -11,8 +11,6 @@
  *= require_self
  *= require material_icons
  *= require font-awesome
- *= require medium-editor/medium-editor
- *= require medium-editor/themes/beagle
  *= require tribute
  *= require_tree .
 */

app/views/documents/edit.html.erb

@@ -1,3 +1,11 @@
+<%#
+  We're using the medium-editor CDN here instead of the rails-medium-editor gem because it broke in the latest
+  version of Chrome, and has been archived for no more changes. Ergo, we gotta move off of it. :)
+%>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/medium-editor/5.23.3/js/medium-editor.min.js" integrity="sha512-5D/0tAVbq1D3ZAzbxOnvpLt7Jl/n8m/YGASscHTNYsBvTcJnrYNiDIJm6We0RPJCpFJWowOPNz9ZJx7Ei+yFiA==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/medium-editor/5.23.3/css/medium-editor.min.css" integrity="sha512-zYqhQjtcNMt8/h4RJallhYRev/et7+k/HDyry20li5fWSJYSExP9O07Ung28MUuXDneIFg0f2/U3HJZWsTNAiw==" crossorigin="anonymous" referrerpolicy="no-referrer" />
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/medium-editor/5.23.3/css/themes/beagle.min.css" integrity="sha512-Dp5+M9xB0mzENcNK7ReLOvz/cKvhshdJDb3bEKRAz9lKggT/BtVlthhvusC+IoQQ5lazItTaSDQSeyBa0T5LWA==" crossorigin="anonymous" referrerpolicy="no-referrer" />
+
 <% set_meta_tags title: "Editing: " + @document.title, description: truncate(@document.body) %>
 
 <%= content_for :full_width_page_header do %>