Revert "Replace House with Lexical"

config/importmap.rb

@@ -5,11 +5,9 @@ pin "@hotwired/turbo-rails", to: "turbo.min.js"
 pin "@hotwired/stimulus", to: "stimulus.min.js"
 pin "@hotwired/stimulus-loading", to: "stimulus-loading.js"
 pin "@rails/request.js", to: "@rails--request.js" # @0.0.11
+pin "house", to: "house.min.js"
 
 pin_all_from "app/javascript/controllers", under: "controllers"
 pin_all_from "app/javascript/helpers", under: "helpers"
 pin_all_from "app/javascript/initializers", under: "initializers"
 pin "marked" # @15.0.11
-pin "actiontext-lexical"
-pin "@rails/activestorage", to: "activestorage.esm.js"
-pin "@rails/actiontext", to: "actiontext.esm.js"

config/initializers/markdown.rb

@@ -0,0 +1,7 @@
+ActiveSupport.on_load :action_text_markdown do
+  require "markdown_renderer"
+  require "redcarpet/render_strip"
+
+  ActionText::Markdown.html_renderer = ->(content) { MarkdownRenderer.build.render(content) }
+  ActionText::Markdown.plain_text_renderer = Redcarpet::Markdown.new(Redcarpet::Render::StripDown)
+end