v2.4.0b1

What's Changed

• fix: Better mobile styles for swarm by @mrv777 in #458
• Minor npm module version bump to fix security warnings by @eandersson in #460
• adjust bm1370 mhz settings to 6.25 multiplier by @WantClue in #477
• add hashrate check to self test by @benjamin-wilson in #486
• temp sensor fixes by @benjamin-wilson in #484
• additions to dropdown by @benjamin-wilson in #487

Full Changelog: v2.3.1b1...v2.4.0b1