Use annotations and autoconfiguration

Use the `AsCommand` annotation to automatically register commands as
services and automatically add them to `./bin/console` instead of adding
them manually.

autoload_runtime.template

@@ -0,0 +1,36 @@
+<?php
+
+// autoload_runtime.php @generated by Symfony Runtime
+
+if (true === (require_once __DIR__.'/autoload.php') || empty($_SERVER['SCRIPT_FILENAME'])) {
+    return;
+}
+
+$pharPath = Phar::running();
+
+if (strlen($pharPath) == 0) {
+    $scriptFileName = $_SERVER['SCRIPT_FILENAME'];
+} else {
+    $scriptFileName = $_SERVER['APP_SCRIPT_FILENAME'] ?? $_SERVER['SCRIPT_FILENAME'] ?? null;
+}
+
+$app = require $scriptFileName;
+
+if (!is_object($app)) {
+    throw new TypeError(sprintf('Invalid return value: callable object expected, "%s" returned from "%s".', get_debug_type($app), $_SERVER['SCRIPT_FILENAME']));
+}
+
+$runtime = $_SERVER['APP_RUNTIME'] ?? $_ENV['APP_RUNTIME'] ?? %runtime_class%;
+$runtime = new $runtime(($_SERVER['APP_RUNTIME_OPTIONS'] ?? $_ENV['APP_RUNTIME_OPTIONS'] ?? []) + %runtime_options%);
+
+[$app, $args] = $runtime
+    ->getResolver($app)
+    ->resolve();
+
+$app = $app(...$args);
+
+exit(
+    $runtime
+        ->getRunner($app)
+        ->run()
+);