docs: add plugin setup guide

plugin/lib/commonlibf4/include/RE/H/hkcdRayQueryFlags.h

@@ -0,0 +1,18 @@
+#pragma once
+
+namespace RE
+{
+	class hkcdRayQueryFlags
+	{
+	public:
+		enum class Enum : std::int32_t
+		{
+			kNoFlags = 0x0,
+			kDisableBackFacingTriangleHits = 0x1,
+			kDisableFrontFacingTriangleHits = 0x2,
+			kEnableInsideHits = 0x4,
+			kEnableExtraTriangleBevelPlanes = 0x8
+		};
+	};
+	static_assert(std::is_empty_v<hkcdRayQueryFlags>);
+}