build: add compile time benchmark

.gitignore

@@ -2,6 +2,7 @@ bin/
 cmakebuild/
 cmake-*/
 build*/
+time_compilation_build/
 CMakeFiles/
 *.xcodeproj
 .vscode/**

time_compilation.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+rm -fr time_compilation_build
+mkdir time_compilation_build
+cd time_compilation_build
+
+cmake .. -DCMAKE_TOOLCHAIN_FILE="d:/vcpkg/scripts/buildsystems/vcpkg.cmake" -DENABLE_LIGHTPREVIEW=YES -DDISABLE_DOCS=YES
+time cmake --build .