docs: `upload_form` doc, attributes, and story

lib/medical_transcription_web/components/components.ex

@@ -11,6 +11,11 @@ defmodule MedicalTranscriptionWeb.Components do
   alias MedicalTranscriptionWeb.Components.TranscriptionTextComponent
   use MedicalTranscriptionWeb, :verified_routes
 
+  attr :audio_upload, Phoenix.LiveView.UploadConfig, required: true
+
+  @doc """
+  Displays a form containing a button for listening to live audio and a file upload for recorded audio files.
+  """
   def upload_form(assigns) do
     ~H"""
     <form

storybook/components/upload_form.story.exs

@@ -0,0 +1,16 @@
+defmodule MedicalTranscriptionWeb.Storybook.UploadForm do
+  use PhoenixStorybook.Story, :component
+
+  def function, do: &MedicalTranscriptionWeb.Components.upload_form/1
+
+  def variations do
+    [
+      %Variation{
+        id: :default,
+        attributes: %{
+          audio_upload: %Phoenix.LiveView.UploadConfig{}
+        }
+      }
+    ]
+  end
+end