missing discussions, etc for restricted users; add note.
missing discussions, etc for restricted users; add note.

nanaya/osu-web,LiquidPL/osu-web,notbakaneko/osu-web,ppy/osu-web,ppy/osu-web,ppy/osu-web,ppy/osu-web,LiquidPL/osu-web,LiquidPL/osu-web,nanaya/osu-web,notbakaneko/osu-web,nanaya/osu-web,notbakaneko/osu-web,LiquidPL/osu-web,nanaya/osu-web,ppy/osu-web,nanaya/osu-web,notbakaneko/osu-web,notbakaneko/osu-web,LiquidPL/osu-web