feat(i18n): Add time blocks translations and fix deployment

- Add comprehensive timeBlocks translations (ES, FR, DE, EN)
- Add myAvailability translations (ES, FR, DE, EN)
- Add full helpTimeBlocks guide content (ES, FR, DE, EN)
- Add contracts guide translations (ES)
- Fix DATABASE_URL env var in deploy.sh for seed_platform_plugins
- Update Contracts page and HelpContracts guide

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

deploy.sh

@@ -183,15 +183,15 @@ if [[ "$SKIP_MIGRATE" != "true" ]]; then
     docker compose -f docker-compose.production.yml exec -T django sh -c 'export DATABASE_URL=postgres://\${POSTGRES_USER}:\${POSTGRES_PASSWORD}@\${POSTGRES_HOST}:\${POSTGRES_PORT}/\${POSTGRES_DB} && python manage.py collectstatic --noinput'
 
     echo ">>> Seeding/updating platform plugins for all tenants..."
-    docker compose -f docker-compose.production.yml exec -T django python -c "
+    docker compose -f docker-compose.production.yml exec -T django sh -c 'export DATABASE_URL=postgres://\${POSTGRES_USER}:\${POSTGRES_PASSWORD}@\${POSTGRES_HOST}:\${POSTGRES_PORT}/\${POSTGRES_DB} && python -c "
 from django_tenants.utils import get_tenant_model
 from django.core.management import call_command
 Tenant = get_tenant_model()
-for tenant in Tenant.objects.exclude(schema_name='public'):
-    print(f'  Seeding plugins for {tenant.schema_name}...')
-    call_command('tenant_command', 'seed_platform_plugins', schema=tenant.schema_name, verbosity=0)
-print('  Done!')
-"
+for tenant in Tenant.objects.exclude(schema_name=\"public\"):
+    print(f\"  Seeding plugins for {tenant.schema_name}...\")
+    call_command(\"tenant_command\", \"seed_platform_plugins\", schema=tenant.schema_name, verbosity=0)
+print(\"  Done!\")
+"'
 else
     echo ">>> Skipping migrations (--no-migrate flag used)"
 fi