Factory: add builder API and extension presets

[ohmyfelix]

Summary

• add a new GuzzleBuilder fluent API and extend ClientFactory with middleware, header, base URI, auth, and logging helpers while keeping createClient() backward compatible
• extend DI configuration with preset, app, logger, and tracy options inspired by moderntv setup, including logger autodiscovery and default setup wiring
• document the new configuration and builder usage, and add tests for the extended extension config and builder option propagation

Testing

• make cs
• make phpstan
• make tests