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/mix/tasks/register_webhooks.ex

@@ -21,8 +21,8 @@ defmodule Mix.Tasks.RegisterWebhooks do
   def run([url]) do
     Mix.Task.run("app.start")
 
-    alias SimpleshopTheme.Products
-    alias SimpleshopTheme.Providers.Printify
+    alias Berrypod.Products
+    alias Berrypod.Providers.Printify
 
     case Products.get_provider_connection_by_type("printify") do
       nil ->