feat: add connection timeout configuration for Redis operations

Author: notdu

README.md

@@ -1139,6 +1139,7 @@ Use the following environment variables to configure timeouts:
 These settings accept duration strings (e.g., `5s`, `100ms`, `1m`). When Redis is unresponsive, operations will timeout after the configured duration instead of blocking indefinitely, preventing resource exhaustion.
 
 Example configuration for faster failure detection:
+
 ```bash
 REDIS_TIMEOUT=5s
 REDIS_PERSECOND_TIMEOUT=3s