feat: add dynamic descript to meta head (#56)

* feat: add dynamic descript to meta head

* revert code

src/layouts/MainGridLayout.astro

@@ -10,15 +10,16 @@ import {siteConfig} from "@/config";
 interface Props {
     title: string;
     banner?: string;
+    description?: string;
 }
 
-const { title, banner } = Astro.props
+const { title, banner, description } = Astro.props
 const isHomePage = pathsEqual(Astro.url.pathname, '/')
 const enableBanner = siteConfig.banner.enable
 
 ---
 
-<Layout title={title} banner={banner}>
+<Layout title={title} banner={banner} description={description}>
 <div class="max-w-[var(--page-width)] min-h-screen grid grid-cols-[17.5rem_auto] grid-rows-[auto_auto_1fr_auto] lg:grid-rows-[auto_1fr_auto]
     mx-auto gap-4 relative px-0 md:px-4"
 >