replace ammo added on with purchased on

lib/cannery_web/live/ammo_group_live/form_component.html.heex

@@ -38,6 +38,14 @@
     ) %>
     <%= error_tag(f, :price_paid, "col-span-3 text-center") %>
 
+    <%= label(f, :purchased_on, gettext("Purchased on"), class: "title text-lg text-primary-600") %>
+    <%= date_input(f, :purchased_on,
+      class: "input input-primary col-span-2",
+      phx_update: "ignore",
+      value: @changeset |> Changeset.get_field(:purchased_on) || Date.utc_today()
+    ) %>
+    <%= error_tag(f, :purchased_on, "col-span-3 text-center") %>
+
     <%= label(f, :notes, gettext("Notes"), class: "title text-lg text-primary-600") %>
     <%= textarea(f, :notes,
       class: "text-center col-span-2 input input-primary",

lib/cannery_web/live/ammo_group_live/index.html.heex

@@ -55,7 +55,6 @@
       id="ammo-group-index-table"
       ammo_groups={@ammo_groups}
       current_user={@current_user}
-      show_used={@show_used}
     >
       <:ammo_type :let={%{name: ammo_type_name} = ammo_type}>
         <.link navigate={Routes.ammo_type_show_path(Endpoint, :show, ammo_type)} class="link">

lib/cannery_web/live/ammo_group_live/show.html.heex

@@ -27,8 +27,8 @@
     <% end %>
 
     <span class="rounded-lg title text-lg">
-      <%= gettext("Added on:") %>
-      <%= @ammo_group.inserted_at |> display_datetime() %>
+      <%= gettext("Purchased on:") %>
+      <%= @ammo_group.purchased_on |> display_date() %>
     </span>
 
     <%= if @ammo_group.price_paid do %>