Add deletion of select block on section 02-svelte-component (#1)

Author: IvanProg00

content/tutorial/02-advanced-svelte/09-special-elements/02-svelte-component/README.md

@@ -27,6 +27,11 @@ We _could_ do this with a sequence of `if` blocks...
 	{/each}
 </select>
 
+---{#if selected.color === 'red'}---
+	---<RedThing />---
+---{:else}---
+	---<p>TODO others</p>---
+---{/if}---
 +++<svelte:component this={selected.component} />+++
 ```