Add editable content helpers

Gemfile

@@ -42,6 +42,7 @@ gem 'flipper-active_record'
 gem 'flipper-ui'
 gem 'gpgme', '~> 2.0.24'
 gem 'zbase32', '~> 0.1.1'
+gem 'kramdown'
 
 # HTTP requests
 gem 'faraday'

Gemfile.lock

@@ -549,6 +549,7 @@ DEPENDENCIES
   image_processing (~> 1.12.2)
   importmap-rails
   jbuilder (~> 2.7)
+  kramdown
   letter_opener
   letter_opener_web
   listen (~> 3.2)

app/helpers/editable_content_helper.rb

@@ -0,0 +1,10 @@
+module EditableContentHelper
+  def editable_content_for(path, key, default: nil, create_rich: false)
+    @content = EditableContent.find_by(path: "contributions/other", key: key)
+    @content.content.present? ? @content.content : default
+  end
+
+  def markdown_to_html(string)
+    raw Kramdown::Document.new(string, { input: "GFM" }).to_html
+  end
+end