Add environment configuration and documentation for various services

- Created .env.example files for Kafka, Kibana, KodBox, Kong, Langfuse, Logstash, n8n, Nginx, OceanBase, OpenCoze, RocketMQ, TiDB, and TiKV.
- Added README.md and README.zh.md files for OceanBase, RocketMQ, TiDB, and TiKV, detailing usage, configuration, and access instructions.
- Implemented docker-compose.yaml files for OceanBase, RocketMQ, TiDB, and TiKV, defining service configurations, health checks, and resource limits.
- Included broker.conf for RocketMQ to specify broker settings.
- Established a consistent timezone (UTC) across all services.
- Provided optional port overrides in .env.example files for flexibility in deployment.

src/consul/.env.example

@@ -0,0 +1,19 @@
+# Consul version
+CONSUL_VERSION=1.20.3
+
+# Timezone
+TZ=UTC
+
+# Network interface configuration
+CONSUL_BIND_INTERFACE=eth0
+CONSUL_CLIENT_INTERFACE=eth0
+
+# Consul local configuration (JSON string)
+CONSUL_LOCAL_CONFIG={"datacenter":"dc1","server":true,"ui_config":{"enabled":true},"bootstrap_expect":1,"log_level":"INFO"}
+
+# Port overrides (optional)
+# CONSUL_HTTP_PORT_OVERRIDE=8500
+# CONSUL_DNS_PORT_OVERRIDE=8600
+# CONSUL_SERF_LAN_PORT_OVERRIDE=8301
+# CONSUL_SERF_WAN_PORT_OVERRIDE=8302
+# CONSUL_SERVER_RPC_PORT_OVERRIDE=8300