To install this mod do the following:

If you want to play on the official server:
1. Copy files from client directory to your CS2D directory.
2. Select replace all if prompted.
3. Enjoy!

If you want to start your own server:
1. Copy files from client and server directories to your CS2D directory.
2. Select replace all if prompted.
3. Write 'server.lua' in mp_luaserver field in server's More Settings.
4. Enjoy!