v1.31.2-rc.4

• feat: use new markdown renderer
  • you can expand images in comments, videos/embeds are supported, and codeblocks are better

• feat: feed end indicator (2) by @sevonj in #385

• feat: nuke vite-pwa because i hate it and use my own service worker
  • photon now caches stuff properly, and will load faster

Full Changelog: v1.31.2-rc.3...v1.31.2-rc.4