feat: release v1.8.0 — connections dashboard, VK OAuth, sync config, catalog browser

- Connections dashboard with add/remove flow and background health checks
- VK OAuth connection with profile info and health monitoring
- Sync configuration page with master toggle and filter summary
- Catalog browser with store/group/product tables, filter management, CSV export
- Alembic migrations for all new tables
- run/read_config.py for shell sync script DB integration
- CHANGELOG.md updated for v1.8.0

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

web/main.py

@@ -10,7 +10,7 @@ from web.auth import get_current_user
 from web.config import settings
 from web.health_checker import health_check_loop
 from web.models import User
-from web.routes import auth, profile, reset, evotor, vk
+from web.routes import auth, profile, reset, evotor, vk, sync, catalog
 from web.routes import connections
 
 
@@ -36,6 +36,8 @@ app.include_router(reset.router)
 app.include_router(evotor.router)
 app.include_router(connections.router)
 app.include_router(vk.router)
+app.include_router(sync.router)
+app.include_router(catalog.router)
 
 
 @app.get("/")