Docs: document rest in array/object destructuring in each blocks

Closes #2676

site/content/docs/01-component-format.md

@@ -47,7 +47,7 @@ Svelte uses the `export` keyword to mark a variable declaration as a *property*
 	// Values that are passed in as props
 	// are immediately available
 	console.log(foo, bar);
-	
+
 	// Function expressions can also be props
 	export let format = (number) => (number.toFixed(2));
 

site/content/docs/02-template-syntax.md

@@ -188,12 +188,19 @@ If a *key* expression is provided — which must uniquely identify each list ite
 
 ---
 
-You can freely use destructuring patterns in each blocks.
+You can freely use the destructuring pattern in each blocks, the rest syntax being supported.
 
-```html
+```sv
-{#each items as { id, name, qty }, i (id)}
+{#each items as {id, name, qty}, i (id)}
 	<li>{i + 1}: {name} x {qty}</li>
 {/each}
+
+{#each objects as {id, ...rest}}
+	<li><span>{id}</span><MyComponent {...rest} /></li>
+{/each}
+{#each items as [id, ...rest]}
+	<li><span>{id}</span><MyComponent values={rest} /></li>
+{/each}
 ```
 
 ---
@@ -1351,4 +1358,4 @@ The `<svelte:options>` element provides a place to specify per-component compile
 
 ```html
 <svelte:options tag="my-custom-element"/>
-```
+```