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/commerce/serializers.py

@@ -1,6 +1,6 @@
 from rest_framework import serializers
 
-from backend.thirdparty.stripe.client import StripeClient
+from thirdparty.stripe.client import StripeClient
 
 from .models import Refund, Order, Invoice
 
@@ -87,7 +87,7 @@ from .models import (
 	Payment,
 )
 
-from thirdparty.stripe.models import StripeModel, StripePayment
+from thirdparty.stripe.models import StripeModel
 
 from thirdparty.zasilkovna.serializers import ZasilkovnaPacketSerializer
 from thirdparty.zasilkovna.models import ZasilkovnaPacket