fix: wrong props type

src/layouts/BaseLayout.astro

@@ -10,12 +10,12 @@ import '@fontsource/iosevka/latin.css'
 import '../styles/main.scss'
 
 type Props = {
-    title: string
-    description: string
-    thumbnail: string
+    title?: string
+    description?: string
+    thumbnail?: string
 
     /** Tags for the page, used for styling */
-    pageTags: string | string[]
+    pageTags?: string | string[]
 }
 
 const { title, description, thumbnail, pageTags } = Astro.props