Soulard isn’t short on eclectic watering holes, but the addition of Soulard Stable (1028 Geyer Ave, 314-797-8055), which first opened in May, sets itself apart with a gay-friendly vibe and a wide variety of events, specials and a surprisingly large outdoor patio. Don’t come here for craft cocktails or fancy wines — there isn’t a drink list and there are no food options.…