Add test for marking event Handled and demo how to do custom drawing #4582

	name: Build & Test Terminal.Gui with .NET Core

	on:
	push:
	branches: [ main, develop, v2_develop ]
	pull_request:
	branches: [ main, develop, v2_develop ]

	jobs:
	build_and_test:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3

	- name: Setup dotnet
	uses: actions/setup-dotnet@v3
	with:
	dotnet-version: 7.0
	dotnet-quality: 'ga'

	- name: Install dependencies
	run: \|
	dotnet restore

	- name: Build Debug
	run: dotnet build --configuration Debug --no-restore

	- name: Test
	run: \|
	dotnet test --no-restore --verbosity normal --collect:"XPlat Code Coverage" --settings UnitTests/coverlet.runsettings
	mv -v UnitTests/TestResults//.* UnitTests/TestResults/

	# Note: this step is currently not writing to the gist for some reason
	- name: Create Test Coverage Badge
	uses: simon-k/[email protected]
	id: create_coverage_badge
	with:
	label: Unit Test Coverage
	color: brightgreen
	path: UnitTests/TestResults/coverage.opencover.xml
	gist-filename: code-coverage.json
	# https://gist.github.com/migueldeicaza/90ef67a684cb71db1817921a970f8d27
	gist-id: 90ef67a684cb71db1817921a970f8d27
	gist-auth-token: ${{ secrets.GIST_AUTH_TOKEN }}

	- name: Print Code Coverage
	run: \|
	echo "Code coverage percentage: ${{steps.create_coverage_badge.outputs.percentage}}%"
	echo "Badge data: ${{steps.create_coverage_badge.outputs.badge}}"

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