Fix markdown TOC generation when title isn't sourced from document
Fix markdown TOC generation when title isn't sourced from document

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