CMake: Use precompiled headers

src/web_service/CMakeLists.txt

@@ -4,6 +4,7 @@
 add_library(web_service STATIC
     announce_room_json.cpp
     announce_room_json.h
+    precompiled_headers.h
     telemetry_json.cpp
     telemetry_json.h
     verify_login.cpp
@@ -17,3 +18,7 @@ add_library(web_service STATIC
 
 create_target_directory_groups(web_service)
 target_link_libraries(web_service PRIVATE common network nlohmann_json::nlohmann_json httplib cpp-jwt)
+
+if (YUZU_USE_PRECOMPILED_HEADERS)
+    target_precompile_headers(web_service PRIVATE precompiled_headers.h)
+endif()

src/web_service/precompiled_headers.h

@@ -0,0 +1,12 @@
+// SPDX-FileCopyrightText: 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <algorithm>
+#include <chrono>
+#include <memory>
+
+#include <fmt/format.h>
+
+#include "common/assert.h"