Refactor frontend components and backend migrations

- Removed TradingGraph component from frontend/src/components/trading.
- Updated home page to import Services component and TradingGraph from new path.
- Modified PortfolioPage to return null instead of PortfolioGrid.
- Added initial migrations for account, advertisement, commerce, configuration, downloader, gopay, stripe, trading212, and zasilkovna apps in the backend.
- Created Services component with subcomponents for Kinematografie, Drone Service, and Website Service.
- Implemented TradingGraph component with dynamic data generation and canvas rendering.
- Updated DonationShop component to display donation tiers with icons and descriptions.

backend/thirdparty/stripe/urls.py

@@ -1,6 +1,6 @@
 from django.urls import path
-from .views import CreateCheckoutSessionView
+from .views import StripeWebhook
 
 urlpatterns = [
-    path("orders/create-checkout/", CreateCheckoutSessionView.as_view(), name="create-checkout"),
+    path("stripe-webhook/", StripeWebhook.as_view(), name="stripe-webhook"),
 ]