Add connection pool configuration documentation to README

[Copilot]

Extends README with documentation for customizing JedisPool configuration via DriverImpl(Pool<Jedis>) constructor.

Changes

Added pool configuration guidelines section:

• maxTotal, maxIdle, minIdle, maxWait parameter explanations
• Best practice: maxIdle = maxTotal / 4 for resource/responsiveness balance

Four configuration examples:

• Basic pool - Standard setup with connection testing (128/32/8)
• Authentication - JedisClientConfig with credentials and HostAndPort (64/16/4)
• Timeouts - Connection and socket timeout configuration (128/32/8)
• SSL/TLS - Secure connections with SSLSocketFactory (64/16/4)

Example Usage

import com.falkordb.Driver;
import com.falkordb.impl.api.DriverImpl;
import redis.clients.jedis.*;

// Configure pool
JedisPoolConfig poolConfig = new JedisPoolConfig();
poolConfig.setMaxTotal(128);
poolConfig.setMaxIdle(32);  // maxTotal / 4
poolConfig.setMinIdle(8);
poolConfig.setMaxWait(Duration.ofSeconds(30));

// Configure client with timeouts and auth
JedisClientConfig clientConfig = DefaultJedisClientConfig.builder()
    .connectionTimeoutMillis(2000)
    .socketTimeoutMillis(5000)
    .user("default")
    .password("password")
    .build();

// Create driver with custom pool
HostAndPort hostAndPort = new HostAndPort("localhost", 6379);
JedisPool jedisPool = new JedisPool(poolConfig, hostAndPort, clientConfig);
Driver driver = new DriverImpl(jedisPool);

All examples verified against Jedis 6.2.0.

Original prompt

---

This section details on the original issue you should resolve

<issue_title>Add README to show how to configure the connection pool</issue_title>
<issue_description>Extend the README to also show how to customize the connection and connections pool.

Ref:

JFalkorDB/src/main/java/com/falkordb/impl/api/DriverImpl.java

Line 60 in 86de42f

public DriverImpl(Pool<Jedis> pool) {

</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Add README to show how to configure the connection pool #196

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 73.13%. Comparing base (e0973a6) to head (3719fcc).

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #197   +/-   ##
=========================================
  Coverage     73.13%   73.13%           
  Complexity      265      265           
=========================================
  Files            25       25           
  Lines           871      871           
  Branches        106      106           
=========================================
  Hits            637      637           
  Misses          172      172           
  Partials         62       62           

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