Added config files for Doxygen #19

	name: "Doxygen Build"
	on:
	workflow_dispatch:
	push:
	branches:
	- main
	- rel-*
	paths:
	- src/**
	pull_request:
	jobs:
	build:
	name: Generate API docs
	runs-on: [ "self-hosted", "1ES.Pool=onnxruntime-genai-Ubuntu2204-AMD-CPU" ]
	steps:
	- uses: actions/checkout@v4
	- name: Install doxygen and dependencies
	run: \|
	sudo apt update
	sudo apt-get install libclang-dev
	sudo apt-get install libclang-cpp14
	wget https://www.doxygen.nl/files/doxygen-1.9.8.linux.bin.tar.gz
	tar xvzf doxygen-1.9.8.linux.bin.tar.gz

	- name: Run C/C++ doxygen
	run: \|
	cd src/
	../doxygen-1.9.8/bin/doxygen Doxyfile

	- name: Run CSharp doxygen
	run: \|
	cd src/csharp/
	../../doxygen-1.9.8/bin/doxygen Doxyfile_csharp.cfg

	- name: Run Java doxygen
	run: \|
	cd src/java/
	../../doxygen-1.9.8/bin/doxygen Doxyfile_java.cfg

	- name: Run Objective-C doxygen
	run: \|
	cd src/objectivec/
	../../doxygen-1.9.8/bin/doxygen Doxyfile_objc.cfg

	- name: Run API diff
	run: \|
	python -m pip install -U jsonpickle
	python ./tools/ci_build/validate_doxygen_xml.py \
	--cxx-output-dir ./src/cxx_dox \
	--java-output-dir ./src/java/java_dox \
	--csharp-output-dir ./src/csharp/csharp_dox \
	--objc-output-dir ./src/objectivec/objc_dox

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