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/migrations/0001_initial.py

@@ -0,0 +1,26 @@
+# Generated by Django 5.2.9 on 2025-12-14 02:23
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='StripeModel',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('status', models.CharField(choices=[('pending', 'cz#Čeká se na platbu'), ('paid', 'cz#Zaplaceno'), ('failed', 'cz#Neúspěšné'), ('cancelled', 'cz#Zrušeno'), ('refunding', 'cz#Platba se vrací'), ('refunded', 'cz#Platba úspěšně vrácena')], default='pending', max_length=20)),
+                ('stripe_session_id', models.CharField(blank=True, max_length=255, null=True)),
+                ('stripe_payment_intent', models.CharField(blank=True, max_length=255, null=True)),
+                ('stripe_session_url', models.URLField(blank=True, null=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True, null=True)),
+            ],
+        ),
+    ]