Add src/menus, src/util, and src/test to include path
Label most items in main_menu and vice_city_menu.
Add test for using httplib library.
Disable helpers.cpp, need to figure out how to move this stuff into here.
Add httplib.h
Add defines.h for menu titles and window title.
Reorganize project quite a bit, refactor code.
Add _TEST2 preprocessor, add helpers.cpp and helpers.h.
Partially make OpenGL work for Windows.
Rename Solution to KCNet-ImGui-Test.
