revert: Removal of .NET Standard 2.0 #162

	name: Website URLs

	on:
	pull_request:
	branches: ["*"]
	paths:
	- docs/**
	- .github/workflows/test-website-links.yml

	# Prevent multiple concurrent runs
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	test:
	runs-on: ubuntu-latest
	defaults:
	run:
	working-directory: docs
	env:
	BUNDLE_GEMFILE: ${{github.workspace}}/docs/Gemfile
	JEKYLL_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	steps:
	- name: Checkout source
	uses: actions/checkout@v4

	- name: Setup Ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: 3.3

	- name: Install dependencies
	run: \|
	bundle install
	gem install html-proofer

	- name: Replace "data-src"
	uses: jacobtomlinson/gha-find-replace@v3
	with:
	find: "data-src"
	replace: "src"
	regex: false

	- name: Use 'localhost'
	uses: jacobtomlinson/gha-find-replace@v3
	with:
	find: "https://dotnet.stockindicators.dev"
	replace: "http://127.0.0.1:4000"
	regex: false

	- name: Build site
	run: bundle exec jekyll build

	- name: Serve site
	run: bundle exec jekyll serve --port 4000 --detach

	# see help in setup step
	- name: Test for broken URLs
	run: >
	htmlproofer _site
	--no-enforce-https
	--no-check-external-hash
	--ignore-status-codes "0,302,403,406,408,429,503,999"
	--ignore-urls "/fonts.gstatic.com/"

	- name: Kill site (failsafe)
	if: always()
	run: pkill -f jekyll

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