Add WOPI discovery service and connection diagnostics

bin/check

@@ -0,0 +1,13 @@
+#!/usr/bin/env php
+<?php
+
+declare(strict_types=1);
+
+// Usable before module installation/configuration; does not boot the application.
+$root = dirname(__DIR__, 3);
+$loader = require $root . '/vendor/autoload.php';
+$loader->addPsr4('KTXM\\ServiceWopi\\', dirname(__DIR__) . '/lib/');
+$application = new Symfony\Component\Console\Application('WOPI connection check');
+$application->addCommand(new KTXM\ServiceWopi\Console\CheckCommand(new KTXM\ServiceWopi\Discovery\DiscoveryClient()));
+$application->setDefaultCommand('wopi:check', true);
+exit($application->run());