UI7 is BACK!

took me about a full week to get something to render again withour shared_ptrs
as of now this is very unstable, untested and lacking a lot of features due to lithium is lacking the base for that
Added JetBrainsMono font as debug font for the metrics

source/ui7/io.cpp

@@ -0,0 +1,45 @@
+/*
+MIT License
+Copyright (c) 2024 - 2026 René Amthor (tobid7)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+ */
+
+#include <pd/core/core.hpp>
+#include <pd/ui7/io.hpp>
+#include <pd/drivers/drivers.hpp>
+
+namespace PD {
+PD_API void UI7::IO::Update() {
+  /** Todo: find out if we even still use the Drawlist regestry */
+  u64 current = PD::Os::GetTimeNano();
+  Delta = static_cast<float>(current - LastTime) / 1000000.f;
+  LastTime = current;
+  DeltaStats.Add(Delta * 1000);
+  Time.Update();
+  InputHandler.Update();
+  Framerate = 1000.f / Delta;
+  DrawlistRegestry.clear();
+  DrawlistRegestry.push_front(std::make_pair("CtxBackList", &Back));
+  if (Font) ItemRowHeight = FontScale * Font->PixelHeight;
+  // RegisterDrawList("CtxBackList", Back);
+  NumIndices = 0;//FDL.pNumIndices;
+  NumVertices = 0;//FDL.pNumVertices;
+}
+}  // namespace PD