use config object instead of single val

[nikitos]

No description provided.

[Copilot]

Pull request overview

This PR refactors HttpNotifier::new to accept a single HttpNotifierConfig object instead of five individual Option<String> URL parameters. This simplifies the constructor's API and aligns it with the pattern used by other components that accept config structs from the config crate.

Changes:

• HttpNotifier::new now takes a HttpNotifierConfig struct instead of individual URL fields, and the unused PublisherInfo import is removed.
• The call site in service.rs is updated to pass httpnotifier.clone() directly.
• The config crate is added as a dependency of streamhub in Cargo.toml and Cargo.lock.

Reviewed changes

Copilot reviewed 3 out of 4 changed files in this pull request and generated no comments.

File	Description
library/streamhub/src/notify/http.rs	Refactors HttpNotifier::new to accept HttpNotifierConfig object; removes unused PublisherInfo import
application/xiu/src/service.rs	Updates call site to pass httpnotifier.clone() instead of individual fields
library/streamhub/Cargo.toml	Adds config crate as a dependency
Cargo.lock	Records the new config dependency for streamhub

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[harlanc]

Thanks for your contributions!!