v1.10.2 patches: continent persistence, city markers, dynamic map center

C changes:
- gstorage.c: encode continent into root key for --persist --restore survival
- gholder.c: decode continent from root + lat/lng storage
- commons.h: add lat/lng fields to GMetrics struct
- geoip2.c/geoip1.h: extract coordinates from MMDB
- json.c: output lat/lng in geolocation JSON

JS changes:
- Remove cityIndex guard for static HTML city dots
- TopoJSON lat/lng fallback for city coordinates
- updateMap fallback city collection
- Dynamic orthographic center based on visitor count
- Mercator stays at [0,15] for full world view

Co-Authored-By: Claude <noreply@anthropic.com>

docker-compose/docker-compose.traefik.yaml

@@ -0,0 +1,33 @@
+services:
+  web:
+    image: nginx
+    volumes:
+      - ./logs:/var/log/nginx
+      - ./configs/nginx.conf:/etc/nginx/nginx.conf
+      - ./public:/usr/share/nginx/html
+    labels:
+      - "traefik.enable=true"
+      - "fqdn=yourdomain"
+    networks:
+      - traefik
+
+  goaccess:
+    image: allinurl/goaccess
+    container_name: goaccess
+    volumes:
+      - ./configs/goaccess.traefik.conf:/srv/config/goaccess.conf
+      - ./logs:/srv/logs
+      - ./public:/srv/report
+    command: ["--no-global-config", "--config-file=/srv/config/goaccess.conf"]
+    labels:
+      - "traefik.enable=true"
+      - "fqdn=goaccess.yourdomain"
+      - "traefik.http.services.yourdomain-goaccess.loadbalancer.server.port=443"
+    restart: unless-stopped
+    networks:
+      - traefik
+
+networks:
+  traefik:
+    external:
+      name: traefik_traefik