What used during building doc app:

• Basic: installing and injecting TailwindCSS
• /routes/+layout.svelte
  • import app css as global styles
  • get static data
  • {#if}{:else}{/if}
  • {#each arr as item}
  • using TreeView component
    • pass data via props
  • <slot />
• create component TreeView /routes/TreeView.svelte
  • event on:click
  • aria-controls
  • aria-expanded
  • <label for="filter-color-{index}">
  • Recursive call <svelte:self tree={child}/>
• dynamic routes
  • event.fetch to get a static (*.md) files
  • $:
  • TailwindCSS h1 { @apply text-4xl font-bold text-gray-900 }
  • package marked for displaying *.md files
  • load function
  • +page.server
  • <div>{@html marked(data)}</div>
• svelte/store#writable
  • for dynamic expanding menu