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/downloader/migrations/0001_initial.py

@@ -0,0 +1,30 @@
+# 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='DownloaderRecord',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('is_deleted', models.BooleanField(default=False)),
+                ('deleted_at', models.DateTimeField(blank=True, null=True)),
+                ('url', models.URLField()),
+                ('download_time', models.DateTimeField(auto_now_add=True)),
+                ('format', models.CharField(max_length=50)),
+                ('length_of_media', models.IntegerField(help_text='Length of media in seconds')),
+                ('file_size', models.BigIntegerField(help_text='File size in bytes')),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+    ]