New feature: OutputSpec (Structured Outputs) per Agent

Merge pull request #7 from tomassantunes/docs/outputspec

docs: finished documenting OutputSpec

Merge pull request #6 from tomassantunes/feature/structured-outputs

feat: improved FunctionToTool with Newtonsoft JsonSchema generator

docs: added Structured Outputs to table of contents

docs: fixed typo

docs: updated docs with information about Structured Outputs and Agent OutputSpec

feat: added OutputSpec (Response Format aka Structured Output)

docs: updated docs to include the new `debug` field in the Run method.

refactor: changed FunctionToolConverter to use .NET 9 Json Schema Generator, changed the way function paremeters are converted to their types on HandleToolCalls, added DebugPrint

Merge pull request #5 from tomassantunes/main

fix: readded publish to nuget

Merge pull request #4 from tomassantunes/dev

feat: added support to int, float, bool and object types to function calling.