[client] build: add Windows platform composition

client/platform/Windows/CMakeLists.txt

@@ -0,0 +1,25 @@
+cmake_minimum_required(VERSION 3.10)
+project(client_platform_Windows LANGUAGES C)
+
+add_library(client_platform_Windows STATIC
+  clipboard_files.c
+  config.c
+  font.c
+  input.c
+  process.c
+)
+
+target_link_libraries(client_platform_Windows
+  PUBLIC
+    lg_common
+    dwrite
+    ole32
+    shell32
+    shlwapi
+    uuid
+)
+
+target_include_directories(client_platform_Windows
+  PRIVATE
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src
+)