add missing component

Author: yyx990803

.vitepress/theme/index.ts

@@ -10,6 +10,7 @@ import {
 } from './components/preferences'
 import SponsorsAside from './components/SponsorsAside.vue'
 import VueJobs from './components/VueJobs.vue'
+import VueSchoolLink from './components/VueSchoolLink.vue'
 
 export default Object.assign({}, VPTheme, {
   Layout: () => {
@@ -27,5 +28,6 @@ export default Object.assign({}, VPTheme, {
     app.provide('prefer-composition', preferComposition)
     app.provide('prefer-sfc', preferSFC)
     app.provide('filter-headers', filterHeadersByPreference)
+    app.component('VueSchoolLink', VueSchoolLink)
   }
 })