Update description of Arch in README.md #731

	name: arch config tests

	on:
	push:
	branches:
	- main
	pull_request:

	jobs:
	validate_arch_config:
	runs-on: ubuntu-latest
	defaults:
	run:
	working-directory: .

	steps:
	- name: Checkout code
	uses: actions/checkout@v3

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.12"

	- name: build arch docker image
	run: \|
	docker build -f arch/Dockerfile . -t katanemo/archgw -t katanemo/archgw:0.3.15

	- name: validate arch config
	run: \|
	bash arch/validate_arch_config.sh

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