add command manual plugin (#210)

src/ZM/Annotation/OneBot/CommandHelp.php

@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ZM\Annotation\OneBot;
+
+use Doctrine\Common\Annotations\Annotation\NamedArgumentConstructor;
+use Doctrine\Common\Annotations\Annotation\Target;
+use ZM\Annotation\AnnotationBase;
+
+/**
+ * 机器人指令帮助注解
+ *
+ * @Annotation
+ * @NamedArgumentConstructor()
+ * @Target("METHOD")
+ */
+#[\Attribute(\Attribute::TARGET_METHOD)]
+class CommandHelp extends AnnotationBase
+{
+    public function __construct(
+        public string $description,
+        public string $usage,
+        public string $example,
+    ) {
+    }
+
+    public static function make(
+        string $description,
+        string $usage,
+        string $example,
+    ): CommandHelp {
+        return new static(...func_get_args());
+    }
+}