Add a dedicated library for working with JSON (#2047)

src/platform/windows/nvprefs/nvprefs_common.h

@@ -3,19 +3,6 @@
 // sunshine utility header for generic smart pointers
 #include "src/utility.h"
 
-// sunshine boost::log severity levels
-#include "src/main.h"
-
-// standard library headers
-#include <filesystem>
-#include <iostream>
-#include <map>
-#include <memory>
-#include <optional>
-#include <string>
-#include <type_traits>
-#include <vector>
-
 // winapi headers
 // disable clang-format header reordering
 // clang-format off
@@ -23,21 +10,12 @@
 #include <aclapi.h>
 // clang-format on
 
-// nvapi headers
-// disable clang-format header reordering
-// clang-format off
-#include <nvapi.h>
-#include <NvApiDriverSettings.h>
-// clang-format on
-
-// boost headers
-#include <boost/json.hpp>
-
 namespace nvprefs {
 
   struct safe_handle: public util::safe_ptr_v2<void, BOOL, CloseHandle> {
     using util::safe_ptr_v2<void, BOOL, CloseHandle>::safe_ptr_v2;
-    explicit operator bool() const {
+    explicit
+    operator bool() const {
       auto handle = get();
       return handle != NULL && handle != INVALID_HANDLE_VALUE;
     }