Update capacity labels and add help text

Author: mveytsman

lib/bike_brigade_web/core_components.ex

@@ -382,6 +382,9 @@ defmodule BikeBrigadeWeb.CoreComponents do
         <option :if={@prompt}>{@prompt}</option>
         {Phoenix.HTML.Form.options_for_select(@options, @value)}
       </select>
+      <p :if={@help_text} class="mt-2 text-sm text-gray-500">
+        {@help_text}
+      </p>
       <.error :for={msg <- @errors}>{msg}</.error>
     </div>
     """

lib/bike_brigade_web/live/rider_live/form_component.html.heex

@@ -56,7 +56,8 @@
       type="select"
       field={f[:capacity]}
       label="Capacity"
-      options={[{"Small", :small}, {"Medium", :medium}, {"Large", :large}]}
+      options={[{"Small (backpack)", :small}, {"Medium (rack/panniers)", :medium}, {"Large (trailer)", :large}]}
+      help_text="Capacities are examples, and if your configuration is different use your judgement."
     />
 
     <.live_component