Запрос на слияние 'feature/chapter-07' (#4) из feature/chapter-07 в master

5.11 Optimized by GIGA AGENT recommendations. Ruff formatting and checking applied.

5.10 Use Redis to obtain relevant debug information. Rank image views with Redis

5.9 Use Redis to obtain relevant debug information. Count image views with Redis

5.8 Use django-debug-toolbar. Installation and configuration

5.11 Optimized by GIGA AGENT recommendations. Ruff formatting and checking applied.

5.10 Use Redis to obtain relevant debug information. Rank image views with Redis

5.9 Use Redis to obtain relevant debug information. Count image views with Redis

5.8 Use django-debug-toolbar. Installation and configuration

5.7 Learn to use Django signals, restore importing in function ready()

5.7 Learn to use Django signals, ruff's changes

5.6 Learn to use Django signals

5.5 Create a user activity stream and optimize QuerySets. QuerySet optimization and action detail template.

5.4 Create a user activity stream and optimize QuerySets. Add model Action and action handling.

5.3 Create a user activity stream and optimize QuerySets. Apply fixes from gigacode-agent and ruff.

5.2 Build a user follow system. Create follow model and handling

5.1 Build a user follow system. Create model Contact