[request] support for windows

[xcapt]

installing on windows gives: ` addon.cc

annoyindexwrapper.cc

win_delay_load_hook.cc

...\node_modules\annoy\annoylib.h(46): fatal error C1083: Cannot open include file: 'mman.h': No such file or directory (compiling source file ..\addon.cc) [...node_modules\annoy\build\addon.vcxproj]

...\node_modules\annoy\annoylib.h(46): fatal error C1083: Cannot open include file: 'mman.h': No such file or directory (compiling source file ..\annoyindexwrapper.cc) [...\node_modules\annoy\build\addon.vcxproj]`

which I understand to be linked to mman.h not being available on windows as per https://stackoverflow.com/questions/29660492/windows-equivalent-for-sys-mman-h

Any chance this could be worked around ?

[jimkang]

I do not have a Windows machine, so I can't really try any workarounds. If you end up finding a mman.h equivalent that works, please let me know, and I can note it in the README!

[prathameshnetake]

ty this -> https://www.npmjs.com/package/annoy-node