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/gopay/migrations/0001_initial.py

@@ -0,0 +1,63 @@
+# Generated by Django 5.2.9 on 2025-12-14 02:23
+
+import django.db.models.deletion
+import django.utils.timezone
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='GoPayPayment',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('gopay_id', models.CharField(db_index=True, max_length=64, unique=True)),
+                ('order_number', models.CharField(blank=True, default='', max_length=128)),
+                ('amount', models.BigIntegerField(help_text='Amount in minor units (e.g., CZK in haléř).')),
+                ('currency', models.CharField(max_length=10)),
+                ('status', models.CharField(db_index=True, default='', max_length=64)),
+                ('preauthorized', models.BooleanField(default=False)),
+                ('captured_amount', models.BigIntegerField(default=0)),
+                ('request_payload', models.JSONField(blank=True, default=dict)),
+                ('response_payload', models.JSONField(blank=True, default=dict)),
+                ('created_at', models.DateTimeField(db_index=True, default=django.utils.timezone.now)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('user', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='gopay_payments', to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='GoPayRefund',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('gopay_refund_id', models.CharField(blank=True, default='', max_length=64)),
+                ('amount', models.BigIntegerField(help_text='Amount in minor units.')),
+                ('status', models.CharField(blank=True, default='', max_length=64)),
+                ('payload', models.JSONField(blank=True, default=dict)),
+                ('created_at', models.DateTimeField(db_index=True, default=django.utils.timezone.now)),
+                ('payment', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='refunds', to='gopay.gopaypayment')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='GoPaySubscription',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('recurrence_id', models.CharField(blank=True, default='', max_length=64)),
+                ('status', models.CharField(blank=True, default='', max_length=64)),
+                ('interval', models.CharField(blank=True, default='', max_length=64)),
+                ('next_payment_on', models.DateTimeField(blank=True, null=True)),
+                ('payload', models.JSONField(blank=True, default=dict)),
+                ('canceled', models.BooleanField(default=False)),
+                ('canceled_at', models.DateTimeField(blank=True, null=True)),
+                ('created_at', models.DateTimeField(db_index=True, default=django.utils.timezone.now)),
+                ('parent_payment', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='subscriptions', to='gopay.gopaypayment')),
+            ],
+        ),
+    ]