Added document_root() as a synonym to rootdir() #196

	---
	# see https://github.com/FGasper/perl-github-action-tips
	# and https://github.com/actions/virtual-environments
	# codecov is 5.12 and above, so can't test on 5.10

	name: Test Code on Ubuntu
	on:
	push:
	branches:
	- '*'
	tags-ignore:
	- '*'
	pull_request:
	jobs:
	build:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os:
	- ubuntu-20.04
	- ubuntu-22.04
	perl-version: ['5.38', '5.36', '5.34', '5.32', '5.30', '5.28', '5.22', '5.20', '5.18', '5.16', '5.14', '5.12']
	name: Perl ${{ matrix.perl-version }} on ${{ matrix.os }}

	container:
	image: perldocker/perl-tester:${{ matrix.perl-version }}

	steps:
	- uses: actions/checkout@main
	with:
	submodules: recursive
	- uses: codecov/codecov-action@v3
	- run: perl -V
	- name: Install Dependencies
	run: \|
	cpanm -iqn File::Spec ExtUtils::MakeMaker Devel::Cover::Report::Codecov Test::Harness
	cpanm -iqn --skip-satisfied Test::Script Test::Portability::Files Test::Taint Test::Carp Test::Compile Test::Pod::Coverage LWP::UserAgent
	cpanm -iqn --skip-satisfied --installdeps --notest .
	- name: Run Tests
	run: \|
	cover -test
	cover -report codecov
	curl -Os https://uploader.codecov.io/latest/linux/codecov
	chmod +x codecov
	./codecov -t ${{ secrets.CODECOV_TOKEN }}
	shell: bash
	env:
	CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

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