fix another 500 server error

app/pages/collections.vue

@@ -18,6 +18,7 @@
 </template>
 
 <script setup>
+const config = useRuntimeConfig();
 const TITLE = "Collections"
 const DESC = "Techit's personal-public collections"
 

app/pages/contact.vue

@@ -46,6 +46,7 @@
 </template>
 
 <script setup>
+const config = useRuntimeConfig();
 const TITLE = "Contact"
 const DESC = "How to contact Techit"
 

app/pages/posts/index.vue

@@ -14,6 +14,7 @@
 </template>
 
 <script setup>
+const config = useRuntimeConfig();
 const TITLE = "Posts"
 const DESC = "Techit's posts and writings."