fix: point remaining developer.tomtom.com links to my.tomtom.com

Co-Authored-By: Claude Sonnet 5.5 <[email protected]>

.env.example

@@ -150,7 +150,7 @@ AISSTREAM_API_KEY=
 
 # Optional: TomTom live traffic flow (BYOK freemium — the free tier is 200,000
 # Traffic Flow & Incidents tile requests per MONTH, not per day; no credit card
-# required. Get a key at https://developer.tomtom.com). SERVER-SIDE ONLY:
+# required. Get a key at https://my.tomtom.com). SERVER-SIDE ONLY:
 # the browser fetches same-origin /api/tomtom/* and never sees the key.
 # Keyless fallback: the traffic layer runs its built-in simulation (white dots,
 # hardcoded per-road-class speeds) — no key required for the layer to work.