Update middleware matcher docs to mention has matching (vercel#63533)

Looks like we were only documenting the `missing` matcher use case
although `has` is also supported and we weren't mentioning they can
combined as well.

x-ref: [slack
thread](https://vercel.slack.com/archives/C06LDQYNPV0/p1710704436247789)

Closes NEXT-2883

---------

Co-authored-by: Zack Tanner <zacktanner@gmail.com>

Author: ijjk

docs/02-app/01-building-your-application/01-routing/13-middleware.mdx

@@ -97,7 +97,7 @@ export const config = {
 }
 ```
 
-You can also ignore prefetches (from `next/link`) that don't need to go through the Middleware using the `missing` array:
+You can also bypass Middleware for certain requests by using the `missing` or `has` arrays, or a combination of both:
 
 ```js filename="middleware.js"
 export const config = {
@@ -116,6 +116,20 @@ export const config = {
         { type: 'header', key: 'purpose', value: 'prefetch' },
       ],
     },
+
+    {
+      source: '/((?!api|_next/static|_next/image|favicon.ico).*)',
+      has: [
+        { type: 'header', key: 'next-router-prefetch' },
+        { type: 'header', key: 'purpose', value: 'prefetch' },
+      ],
+    },
+
+    {
+      source: '/((?!api|_next/static|_next/image|favicon.ico).*)',
+      has: [{ type: 'header', key: 'x-present' }],
+      missing: [{ type: 'header', key: 'x-missing', value: 'prefetch' }],
+    },
   ],
 }
 ```