CMake: add Windows build

windows/CMakeLists.txt

@@ -0,0 +1,24 @@
+add_library(hidapi_winapi
+    hid.c
+)
+target_link_libraries(hidapi_winapi
+    PUBLIC hidapi_include
+    PRIVATE Setupapi
+)
+
+set_target_properties(hidapi_winapi
+    PROPERTIES
+        EXPORT_NAME "winapi"
+        OUTPUT_NAME "hidapi"
+        VERSION ${PROJECT_VERSION}
+)
+
+if(HIDAPI_INSTALL_TARGETS)
+    install(TARGETS hidapi_winapi
+        RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
+        LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+        ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+    )
+endif()
+
+add_library(hidapi ALIAS hidapi_winapi)