feat: Add Dart sample for https-time-server #4

	# Copyright 2026 Google LLC
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	# 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
	#
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	name: CI Tests

	on:
	pull_request:
	paths:
	- 'Dart/**'

	push:
	branches:
	- main
	paths:
	- 'Dart/**'

	env:
	CI: true

	jobs:
	unit:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	dart-version:
	- "3.11.4"
	steps:
	- uses: actions/checkout@v4

	- name: Set up Dart ${{ matrix.dart-version }}
	uses: dart-lang/setup-dart@v1.6.0
	with:
	sdk: ${{ matrix.dart-version }}

	- name: HTTPS Time Server - Install dependencies
	working-directory: ./Dart/quickstarts/https-time-server
	run: dart pub get

	- name: HTTPS Time Server - Format
	working-directory: ./Dart/quickstarts/https-time-server
	run: dart format --set-exit-if-changed .

	- name: HTTPS Time Server - Analyze
	working-directory: ./Dart/quickstarts/https-time-server
	run: dart analyze .

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