doc: add SECURITY.md file (#16) #24

	# Copyright The ORAS Authors.
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.

	name: Tests

	on:
	push:
	branches:
	- main
	- release-*
	pull_request:
	branches:
	- main
	- release-*

	defaults:
	run:
	shell: bash

	jobs:
	test:
	name: Test Setup ORAS CLI
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [macos-latest, windows-latest, ubuntu-latest]
	version:
	- 0.15.1
	- 1.0.0
	fail-fast: true
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Setup ORAS v${{ matrix.version }}
	uses: ./
	with:
	version: ${{ matrix.version }}

	- name: Verify ORAS version installed
	env:
	ORAS_VERSION_EXPECTED: ${{ matrix.version }}
	run: \|
	echo ---
	oras version
	echo ---
	read -ra ORAS_VERSION_INSTALLED <<<$(oras version)
	[ "${ORAS_VERSION_INSTALLED[1]}" == "$ORAS_VERSION_EXPECTED" ]

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