rename project from SimpleshopTheme to Berrypod

All modules, configs, paths, and references updated.
836 tests pass, zero warnings.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

lib/berrypod_web/admin_layout_hook.ex

@@ -0,0 +1,19 @@
+defmodule BerrypodWeb.AdminLayoutHook do
+  @moduledoc """
+  LiveView on_mount hook that assigns the current path for admin sidebar navigation.
+  """
+  import Phoenix.Component
+
+  def on_mount(:assign_current_path, _params, _session, socket) do
+    socket =
+      socket
+      |> assign(:current_path, "")
+      |> Phoenix.LiveView.attach_hook(:set_current_path, :handle_params, fn _params,
+                                                                            uri,
+                                                                            socket ->
+        {:cont, assign(socket, :current_path, URI.parse(uri).path)}
+      end)
+
+    {:cont, socket}
+  end
+end