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>

priv/repo/seeds.exs

@@ -5,12 +5,12 @@
 # Inside the script, you can read and write to any of your
 # repositories directly:
 #
-#     SimpleshopTheme.Repo.insert!(%SimpleshopTheme.SomeSchema{})
+#     Berrypod.Repo.insert!(%Berrypod.SomeSchema{})
 #
 # We recommend using the bang functions (`insert!`, `update!`
 # and so on) as they will fail if something goes wrong.
 
-alias SimpleshopTheme.Settings
+alias Berrypod.Settings
 
 # Set default theme settings (Studio preset)
 IO.puts("Setting up default theme settings...")