chore: Ensure `code_select` expands fully, add story

lib/medical_transcription_web/components/code_select.ex

@@ -33,7 +33,7 @@ defmodule MedicalTranscriptionWeb.Components.CodeSelect do
   @impl Phoenix.LiveComponent
   def render(assigns) do
     ~H"""
-    <div>
+    <div class="w-full">
       <%= if is_nil(@selected_code) do %>
         <.form for={@form} phx-change="suggest-code" phx-target={@myself}>
           <.input

storybook/components/code_select.story.exs

@@ -0,0 +1,18 @@
+defmodule MedicalTranscriptionWeb.Storybook.CodeSelect do
+  use PhoenixStorybook.Story, :live_component
+
+  def component, do: MedicalTranscriptionWeb.Components.CodeSelect
+
+  def variations do
+    [
+      %Variation{
+        id: :default,
+        attributes: %{
+          id: "transcription-row-1-code-select",
+          text:
+            "This 55-year-old man with known coronary artery disease comes for a follow-up visit today. "
+        }
+      }
+    ]
+  end
+end