feat: add routes, lang, tests, stubs, docs, and docker configurations

stubs/nwidart-stubs/channel.stub

@@ -0,0 +1,16 @@
+<?php
+
+namespace $NAMESPACE$;
+
+class $CLASS$
+{
+    /**
+     * Create a new channel instance.
+     */
+    public function __construct() {}
+
+    /**
+     * Authenticate the user's access to the channel.
+     */
+    public function join(Operator $user): array|bool {}
+}