Create lib_build_win.bat

engine/Scripts/lib_build_win.bat

+@echo off
+set current_dir=%~dp0
+set runtime_mode=release
+set engine_path=%~dp0 
+set vs_path="C:\Program Files (x86)\Microsoft Visual Studio\2017\Community"
+
+:GETOPTS
+ if /I "%1" == "-m" set runtime_mode=%2 & shift
+ if /I "%1" == "-r" set engine_path=%2 & shift
+ if /I "%1" == "-v" set vs_path=%2 & shift
+ shift
+if not "%1" == "" goto GETOPTS
+
+cmd /k python3 lib_build.py -m %runtime_mode% -r %engine_path% -p windows -v %vs_path%