update link registration site to executive dashboard

docker/.env.example

@@ -24,6 +24,11 @@ BOOTSTRAP_STAFF_PASSWORD=change_me
 # Optional: fixed API key for scripts (hashed at rest)
 BOOTSTRAP_API_KEY=
 
+# Pusat (executive) — register + cycle-close
+PUSAT_BASE_URL=
+PUSAT_API_KEY=
+SITE_API_BASE_URL=
+
 # karung-web-admin on the Docker host
 KARUNG_WEB_ADMIN_BASE_URL=http://host.docker.internal:5000
 KARUNG_WEB_ADMIN_TIMEOUT_SECONDS=30