fix: export init hook from get_hooks (#13136)

* fix: export `init` hook from `get_hooks`

* Create sour-pigs-talk.md

* fix: create `init` variable

Author: paoloricciuti

.changeset/sour-pigs-talk.md

@@ -0,0 +1,5 @@
+---
+"@sveltejs/kit": patch
+---
+
+fix: export `init` hook from `get_hooks`

packages/kit/src/core/sync/write_server.js

@@ -67,7 +67,8 @@ export async function get_hooks() {
 	let handle;
 	let handleFetch;
 	let handleError;
-	${server_hooks ? `({ handle, handleFetch, handleError } = await import(${s(server_hooks)}));` : ''}
+	let init;
+	${server_hooks ? `({ handle, handleFetch, handleError, init } = await import(${s(server_hooks)}));` : ''}
 
 	let reroute;
 	${universal_hooks ? `({ reroute } = await import(${s(universal_hooks)}));` : ''}
@@ -77,6 +78,7 @@ export async function get_hooks() {
 		handleFetch,
 		handleError,
 		reroute,
+		init,
 	};
 }