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/zasilkovna/models.py

@@ -43,7 +43,7 @@ class ZasilkovnaPacket(models.Model):
 
         RETURNING = "RETURNING", "cz#Posláno zpátky"
         RETURNED = "RETURNED", "cz#Vráceno"
-    state = models.CharField(max_length=20, choices=STATE.choices, default=STATE.PENDING)
+    state = models.CharField(max_length=35, choices=STATE.choices, default=STATE.PENDING)
 
     # ------- API -------
     # https://client.packeta.com/cs/senders  (admin rozhraní)