Add Azerbaijani language filter

### Prerequisites

- [x] I checked the documentation and found no answer;
- [x] I checked to make sure that this issue has not already been filed;
- [x] This is not an ad/bug report.

### Problem description

Azerbaijani websites have local ads and trackers not blocked by current filters.

Turkish and Russian filters do not cover Azerbaijani ad networks.

Example websites: trend.az, day.az, qafqazinfo.az, modern.az

### Proposed solution

Add Azerbaijani language filter to AdGuard filters list.

Or include Azerbaijani rules in existing Turkish/Russian filters.

### Additional information

Azerbaijani is a Turkic language with 10+ million speakers.

Current filters available:
- Turkish ✅
- Persian ✅
- Arabic ✅
- Azerbaijani ❌ (missing)

Thank you for considering this request.