Update documentation and routes to remove /v1 prefix

- Update all route documentation comments
- Update README, env.example, and starter-docs
- Update install.sh

starter-docs/logic.md

@@ -66,7 +66,7 @@ If offline longer than ABANDONED_AFTER:
 - Only fetch if last_fetched_at older than 1 hour
 
 Steps:
-1. GET /v1/info
+1. GET /info
 2. Validate against NUT‑06
 3. Normalize payload
 4. Compute hash