[client] clipboard/wayland: implement a no-op Wayland clipboard

Build scaffolding only; implementation in later commits.

Co-authored-by: Quantum <quantum2048@gmail.com>

client/clipboards/Wayland/CMakeLists.txt

@@ -0,0 +1,25 @@
+cmake_minimum_required(VERSION 3.0)
+project(clipboard_Wayland LANGUAGES C)
+
+find_package(PkgConfig)
+pkg_check_modules(CLIPBOARD_PKGCONFIG REQUIRED
+	wayland-client
+)
+
+add_library(clipboard_Wayland STATIC
+	src/wayland.c
+)
+
+target_link_libraries(clipboard_Wayland
+	${CLIPBOARD_PKGCONFIG_LIBRARIES}
+	lg_common
+)
+
+target_include_directories(clipboard_Wayland
+	PUBLIC
+		$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+		$<INSTALL_INTERFACE:include>
+	PRIVATE
+		src
+		${CLIPBOARD_PKGCONFIG_INCLUDE_DIRS}
+)