Though he’s been releasing DIY singles since 2018, Jax bedroom-pop singer-songwriter-producer Luci Lind has lately been honing his craft, dropping a torrent of new music and delighting crowds with raucous, energetic sets at Murray Hill’s The Walrus; he was also, most recently, an early-afternoon-crowd fave at this year’s Winterland music festival. Lind’s latest, “Mistakes With The Bottle,” showcases the artist’s …