test: README now counts eighteen layers with a keyless path (Street Level via KartaView)

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

src/tooling/transitQa.test.mjs

@@ -675,7 +675,7 @@ test('public transit documentation uses courtesy attribution and the approved gr
   );
   assert.ok(
     readme.includes(
-      'Twenty layers and map sources. **Seventeen have a keyless path.**',
+      'Twenty layers and map sources. **Eighteen have a keyless path.**',
     ),
   );
   assert.ok(