- Renamed `track.php` to `track_pageview.php`
- Renamed "blacklist" terms to "exclude" in tracking scripts
- Added `db_config_file` to `scripts/track_config.php`
- Added `load_tracking_config()` to `scripts/track_common.php`
  - Updated `get_tracking_config()` to use `db_config_file`
- Modified `scripts/track_daily.js` and `scripts/track_pageview.js` to use `trackUrl`
- Added namespaces to tracking scripts
- Modified `phpstan.neon` to exclude plugin files