Add further documentation to vst_parameter_properties_t

Now both languages should compile fully again. The whole string list is a bit hacky but it works.

vst.hpp

@@ -0,0 +1,39 @@
+/* An attempt at an untained clean room reimplementation of the widely popular VST 2.x SDK.
+ * Copyright (c) 2020 Xaymar Dirks <info@xaymar.com> (previously known as Michael Fabian Dirks)
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
+ * following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following
+ *    disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
+ *    following disclaimer in the documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// Please refer to README.md and LICENSE for further information.
+
+// Protect against double inclusion in practically every compiler available.
+#pragma once
+#ifndef VST2SDK_VST_HPP
+#define VST2SDK_VST_HPP
+
+#include "vst.h"
+
+// Variable size variant of vst_speaker_arrangement.
+template<size_t T>
+struct vst_speaker_arrangement_dynamic_t {
+	VST_ARRANGEMENT_TYPE   type; // See VST_SPEAKER_ARRANGEMENT_TYPE
+	int32_t                channels; // Number of channels in speakers.
+	vst_speaker_properties_t speakers[T]; // Array of speaker properties, actual size defined by channels.
+};
+
+#endif