feat: 2nd version

cpp/TimeMocker.UI/imgui/README.md

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+# imgui/
+
+This directory must contain Dear ImGui source files.
+
+Run `scripts/setup.ps1` to download them automatically, or place them here manually
+from https://github.com/ocornut/imgui (latest release).
+
+Required files:
+  imgui.h
+  imgui.cpp
+  imgui_internal.h
+  imgui_draw.cpp
+  imgui_tables.cpp
+  imgui_widgets.cpp
+  imgui_impl_win32.h
+  imgui_impl_win32.cpp
+  imgui_impl_dx11.h
+  imgui_impl_dx11.cpp
+  imconfig.h
+  imstb_rectpack.h
+  imstb_textedit.h
+  imstb_truetype.h