refactor/feat: ipod nano 7g-style now playing component, discontinue fontawesome, content updates

- redesign NowPlaying widget with iPod Nano 7th generation-inspired UI
- content updates (home, about)
- general code cleanup
- bump deps, clean up
- update README for self hosting
- remove old workflows

tailwind.config.ts

@@ -6,7 +6,6 @@ const config: Config = {
   content: [
     "app/**/*.{ts,tsx}",
     "components/**/*.{ts,tsx}",
-    "./pages/**/*.{js,ts,jsx,tsx,mdx}",
     "./components/**/*.{js,ts,jsx,tsx,mdx}",
     "./app/**/*.{js,ts,jsx,tsx,mdx}",
     "*.{js,ts,jsx,tsx,mdx}",