feat: Release version 1.3.5 with coderk Docker image preparation

- Updated README.md version references from 1.8 to 1.3.5
- Changed Docker image from marcogll/ap_pos:latest to coderk/ap_pos:1.3.5
- Prepared Docker configuration for coderk deployment

🤖 Generated with [Claude Code](https://claude.ai/code)

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

docker-compose.yml

@@ -1,6 +1,6 @@
 services:
   ap-pos:
-    image: marcogll/ap_pos:latest
+    image: coderk/ap_pos:1.3.5
     container_name: ap-pos
     restart: unless-stopped
     ports:
@@ -10,7 +10,7 @@ services:
       SESSION_SECRET: ${SESSION_SECRET:-your-very-secret-key-change-it-in-production}
       DB_PATH: /app/data/ap-pos.db
     volumes:
-      - ap_pos_data:/app/data
+      - ./data:/app/data
     healthcheck:
       test: ["CMD", "wget", "--quiet", "--tries=1", "--spider", "http://localhost:3111/login.html"]
       interval: 30s
@@ -18,10 +18,4 @@ services:
       retries: 3
       start_period: 40s
 
-volumes:
-  ap_pos_data:
-    driver: local
-    driver_opts:
-      type: none
-      o: bind
-      device: ./data
+# volumes section no longer needed - using direct bind mount