Fix final review findings: remove cycling framing, add Dublin workation line

- README: 'road and cycling trip' → 'road trip'; replace 🚴 with 🚗 in route block
- 06-wild-atlantic-way.md: Type → 'scenic drive + hiking route'; Best-for updated; replace Cycling Ireland link with Discover Ireland WAW
- 07-dublin.md: add Workation line (★★★★★ rating) to Practical Info

README.md

@@ -1,6 +1,6 @@
 # Roadtrip Wiki — Summer 2026
 
-A living travel planning wiki for a workation road and cycling trip from Germany to Ireland and back. Built to be extended by humans and AI alike.
+A living travel planning wiki for a workation road trip from Germany to Ireland and back. Built to be extended by humans and AI alike.
 
 **Departure:** Tuesday, August 4th, 2026 from Walldorf, Germany  
 **Return:** ~September 2nd, 2026  
@@ -20,7 +20,7 @@ Liverpool / Heysham
 Isle of Man 🏝️  (~2–4 days)
     ↓  ferry to Belfast or Dublin
 Belfast  (start Wild Atlantic Way from north)
-    ↓  cycle / drive Wild Atlantic Way 🚴  north → south
+    ↓  drive Wild Atlantic Way 🚗  north → south (day hikes at each stop)
 Dublin  (arrive by Aug 29)
     ↓  Aug 30: College Football at Aviva Stadium 🏈
     ↓  Aug 31: Bon Jovi concert (possible) 🎸