docs: update for v3.10.0-rc1 (EU support, vehicles without a VIN, settings encryption key, upload limits, running as another UID)
docs: update for v3.9.0 (Brakes, tires on the hour meter, Tolls and Financing, tire reading edit, Tesseract OCR, auth switch flow, docs accuracy fixes)
docs: update for v3.7.0 (generic MQTT sources, Mopeka propane tanks, per-vehicle odometer unit, Telegram polling, Quick Settings) Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
docs: update for v3.3.0 (movement-based drives, tire mount periods, oil capacity in quarts)
docs: spell tire consistently, not tyre
docs: per-quantity units for v3.2.0