Add more loading components

[techniq]

Simple loading

https://github.com/techniq/svelte-ux/assets/177476/32e25978-f9cb-4b81-8586-3baef492e575

<div class="w-6 h-6 rounded-full animate-spin bg-[conic-gradient(transparent,#aaa)] [-webkit-mask-image:radial-gradient(circle_at_center,transparent_50%,black_50%)]" />

See also

• Gooey loaders
• #85
• Codepen collection
• https://schum123.github.io/svelte-loading-spinners/