vpkpp: NAR support (Counter-Strike Online)

Resources to work with

Counter-Strike Online is a standalone game from the CS series developed by Nexon on a modified GoldSrc engine. It was distributed for free and I found that one of the users uploaded most (if not all) versions of this game to the Internet Archive, so I am posting this source to all versions here: https://archive.org/details/@smilex_gamer

Here I have also uploaded to MEGA an unpacked version of game of which is dated from 11.06.2008 (Taiwan): https://mega.nz/file/V6JUGTZb#0J_KqXAmbMEtlhkCwQ4_dP53LjNvpzDS_zVA2JMm17w
I done it because the files of this game are originally supplied via an installer, which can bloat up your PC with shortcuts and other garbage - however as I said I left a link to the source from where I get these installers above, so if someone needs itself to verify checksums and test it on other versions or observe them (however I didn't tried to use the NARTools with CSO versions that newer than from 2012).

The assets of this game are contained in the Data folder as files with the .nar format.

Open-source tools that support this:

https://github.com/SmilexGamer/NARTools (C#)