feat(Core/Docker): production deploy configuration

- docker-compose.prod.yml: MySQL tuning (innodb_buffer_pool=4G),
  resource limits, log rotation
- scripts/prod-deploy.sh: production startup script mirroring
  start-server.sh sequence with pre-flight checks and sysctl tuning
- conf/dist/env.production: production environment variable template

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

conf/dist/env.production

@@ -0,0 +1,29 @@
+# Production environment — copy to .env before deploying
+# cp .env.production .env
+
+# Docker image tag (master = latest stable build)
+DOCKER_IMAGE_TAG=master
+
+# Database root password — CHANGE THIS
+DOCKER_DB_ROOT_PASSWORD=CHANGE_ME_STRONG_PASSWORD
+
+# External ports
+DOCKER_WORLD_EXTERNAL_PORT=8085
+DOCKER_AUTH_EXTERNAL_PORT=3724
+DOCKER_SOAP_EXTERNAL_PORT=7878
+DOCKER_DB_EXTERNAL_PORT=3306
+
+# Run server as this user (match host UID/GID to avoid volume permission issues)
+# Run: id -u && id -g  to get your values
+DOCKER_USER=acore
+DOCKER_USER_ID=1000
+DOCKER_GROUP_ID=1000
+
+# Volume paths (use absolute paths in production)
+DOCKER_VOL_ETC=./env/dist/etc
+DOCKER_VOL_LOGS=./env/dist/logs
+DOCKER_VOL_DATA=ac-client-data
+
+# Game rates (can also be set in worldserver.conf)
+AC_RATE_XP_KILL=1
+ACORE_PLAYERBOTS_RANDOM_BOT_AUTOLOGIN=0