imgui-frontend-engineer: move layout designer into lab target

src/lab/lab.cmake

@@ -0,0 +1,46 @@
+# ==============================================================================
+# Lab sandbox executable
+# ==============================================================================
+
+set(YAZE_LAB_SRC
+  lab/main.cc
+  lab/layout_designer/layout_designer_window.cc
+  lab/layout_designer/layout_serialization.cc
+  lab/layout_designer/layout_definition.cc
+  lab/layout_designer/widget_definition.cc
+  lab/layout_designer/widget_code_generator.cc
+  lab/layout_designer/theme_properties.cc
+  lab/layout_designer/yaze_widgets.cc
+)
+
+add_executable(yaze_lab ${YAZE_LAB_SRC})
+set_target_properties(yaze_lab PROPERTIES OUTPUT_NAME "lab")
+
+target_precompile_headers(yaze_lab PRIVATE
+  "$<$<COMPILE_LANGUAGE:CXX>:${CMAKE_SOURCE_DIR}/src/yaze_pch.h>"
+)
+
+target_include_directories(yaze_lab PUBLIC
+  ${CMAKE_SOURCE_DIR}/src
+  ${CMAKE_SOURCE_DIR}/ext
+  ${CMAKE_SOURCE_DIR}/ext/imgui
+  ${CMAKE_SOURCE_DIR}/incl
+  ${SDL2_INCLUDE_DIR}
+  ${PROJECT_BINARY_DIR}
+)
+
+target_link_libraries(yaze_lab PRIVATE
+  yaze_editor_system_panels
+  yaze_app_core_lib
+  yaze_gui
+  yaze_gfx
+  yaze_util
+  yaze_common
+  ImGui
+)
+
+if(APPLE)
+  target_link_libraries(yaze_lab PUBLIC "-framework Cocoa")
+endif()
+
+message(STATUS "✓ yaze_lab sandbox target configured")