* Introduced new ToolParam annotation for defining a description for tool parameters and marking them as (non)required.
* Improved the JSON Schema generation for tools, solving inconsistencies between methods and functions, and ensuring a predictable outcome.
* Added support for returning tool results directly to the user instead of passing them back to the model. Introduced new ToolExecutionResult API to propagate this information.
* Consolidated naming of tool-related options in ToolCallingChatOptions.
* Fixed varargs issue in ChatClient when passing ToolCallback[].
* Introduced new documentation for the tool calling capabilities in Spring AI, and deprecated the old one.
* Bumped jsonschema dependency to 4.37.0.
Relates to gh-2049
Signed-off-by: Thomas Vitale <ThomasVitale@users.noreply.github.com>