days: add Addresses table with map pins to every day file

Stays, stops and parking pullouts with coordinates from OpenStreetMap,
each linked to Google Maps. Plan lines keep only the map link on the
place name. README and itinerary mention the section.

Claude-Session: https://claude.ai/code/session_0143dpDbP48SioBZZJ4iTf5c

itinerary.md

@@ -37,7 +37,7 @@
 
 ## Timeline
 
-One file per day in [`days/`](days/): logistics, agreed plan, open notes.
+One file per day in [`days/`](days/): logistics, agreed plan, open notes, addresses with map pins.
 
 | Date | Day | Where |
 |---|---|---|