Link Clipper library in libnest2d_js and update include directories in CMake configuration

Author: saumyaj3

libnest2d_js/CMakeLists.txt

@@ -7,12 +7,19 @@ add_library(libnest2d_js STATIC libnest2d_js.cpp)
 # Emscripten bindings
 set_target_properties(libnest2d_js PROPERTIES LINK_FLAGS "--bind")
 
+# Find Clipper library (required for polyclipping/clipper.hpp)
+find_package(clipper REQUIRED)
+
 # Include directories
 target_include_directories(libnest2d_js PRIVATE
     ${CMAKE_CURRENT_SOURCE_DIR}/../include
     ${CMAKE_CURRENT_SOURCE_DIR}/../src
+    ${clipper_INCLUDE_DIRS}
 )
 
+# Link Clipper library
+target_link_libraries(libnest2d_js PRIVATE clipper)
+
 # Define backend macro for Emscripten
 target_compile_definitions(libnest2d_js PRIVATE LIBNEST2D_GEOMETRIES_clipper)