doc: add doc and technical references in main README #648

	#
	# Software Name: Orange Unified Design System
	# SPDX-FileCopyrightText: Copyright (c) Orange SA
	# SPDX-License-Identifier: MIT
	#
	# This software is distributed under the MIT license,
	# the text of which is available at https://opensource.org/license/MIT/
	# or see the "LICENSE" file for more details.
	#
	# Authors: See CONTRIBUTORS.txt
	# Software description: A SwiftUI components library with code examples for Orange Design System
	#

	name: gitleaks
	on: [pull_request, push, workflow_dispatch]
	jobs:
	scan:
	name: gitleaks
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- uses: gitleaks/gitleaks-action@v2
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	GITLEAKS_LICENSE: ${{ secrets.GITLEAKS_LICENSE }}

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