docs: `code_display` doc, attributes, and story

lib/medical_transcription_web/components/components.ex

@@ -175,6 +175,12 @@ defmodule MedicalTranscriptionWeb.Components do
     """
   end
 
+  attr :code, :string, required: true
+  attr :label, :string, required: true
+
+  @doc """
+  Displays a single code and its description.
+  """
   def code_display(assigns) do
     ~H"""
     <div class="py-4 text-sm flex flex-col gap-1 font-secondary text-type-black-primary rounded">

storybook/components/code_display.story.exs

@@ -0,0 +1,17 @@
+defmodule MedicalTranscriptionWeb.Storybook.CodeDisplay do
+  use PhoenixStorybook.Story, :component
+
+  def function, do: &MedicalTranscriptionWeb.Components.code_display/1
+
+  def variations do
+    [
+      %Variation{
+        id: :default,
+        attributes: %{
+          code: "74685",
+          label: "Coronary artery anomaly"
+        }
+      }
+    ]
+  end
+end