fix(docs): incorrect sitemap config for hostname

Author: nekomeowww

docs/.vitepress/config.ts

@@ -78,7 +78,9 @@ export default defineConfig({
   ],
   base: env.BASE_URL || '/',
   lastUpdated: true,
-  sitemap: { hostname: ogUrl },
+  sitemap: {
+    hostname: ogUrl,
+  },
   locales: {
     'root': {
       label: 'English',

docs/.vitepress/meta.ts

@@ -7,7 +7,7 @@ export const rekaDescription
   = 'An open-source attempt to re-create Neuro-sama, the most famous AI VTuber on this earth, but also forming a cyber companion for everyone.'
 
 /* vitepress head */
-export const ogUrl = 'https://airi.moeru.ai/'
+export const ogUrl = 'https://airi.moeru.ai/docs/'
 export const ogImage = `${ogUrl}og.jpg`
 
 /* GitHub and social links */