feat(parsers): add proverki.gov.ru parser with sync_inspections task

- Add InspectionRecord model with is_federal_law_248, data_year, data_month fields
- Add ProverkiClient with Playwright support for JS-rendered portal
- Add streaming XML parser for large files (>50MB)
- Add sync_inspections task with incremental loading logic
  - Starts from 01.01.2025 if DB is empty
  - Loads both FZ-294 and FZ-248 inspections
  - Stops after 2 consecutive empty months
- Add InspectionService methods: get_last_loaded_period, has_data_for_period
- Add Minpromtorg parsers (certificates, manufacturers)
- Add Django Admin for parser models
- Update README with parsers documentation and changelog

src/apps/parsers/views.py

@@ -0,0 +1,7 @@
+"""
+Views для приложения парсеров.
+
+TODO: Добавить views по мере необходимости.
+"""
+
+# Views будут добавлены по мере разработки конкретных парсеров