readme: add info about FTPS in the 'Features' section #218

	name: Windows

	on:
	push:
	branches:
	- '**'
	pull_request:
	branches:
	- '**'

	jobs:
	build:
	runs-on: windows-latest

	steps:
	- uses: actions/checkout@v3

	- name: Cache externals
	id: cache-externals
	uses: actions/cache@v3
	with:
	path: ${{runner.temp}}\boost_1_83_0
	key: cache-externals

	- name: Get externals
	if: steps.cache-externals.outputs.cache-hit != 'true'
	working-directory: ${{runner.temp}}
	shell: powershell
	run: \|
	# Download Boost.
	Invoke-WebRequest `
	-Uri "https://boostorg.jfrog.io/artifactory/main/release/1.83.0/source/boost_1_83_0.7z" `
	-OutFile boost.7z
	# Extract.
	7z x boost.7z
	# Build.
	cd boost_1_83_0
	.\bootstrap
	.\b2 link=static

	- name: Install pyOpenSSL
	working-directory: ${{runner.temp}}
	shell: powershell
	run: pip3 install pyOpenSSL

	- name: Build
	env:
	BOOST_ROOT: ${{runner.temp}}\boost_1_83_0
	Boost_INCLUDE_DIR: ${{runner.temp}}\boost_1_83_0\libs\headers
	run: \|
	mkdir -p build
	cmake -S . -B build -DBoost_USE_STATIC_LIBS=ON
	cmake --build build --config Release

	- name: Test libftp
	env:
	LIBFTP_TEST_SERVER_PATH: ${{github.workspace}}\test\server\server.py
	working-directory: ${{github.workspace}}\build\test\Release
	run: .\ftp_tests.exe

	- name: Test cmdline
	working-directory: ${{github.workspace}}\build\app\cmdline\test\Release
	run: .\cmdline_tests.exe

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