feat: add opentags

src/pages/blog/[slug].astro

@@ -2,6 +2,7 @@
 import { getCollection, render } from "astro:content";
 import { getLocale } from "astro-i18n-aut";
 import { filterCollection, parseSlug } from "@i18n/utils";
+import MetaTags from "@components/MetaTags.astro";
 
 const locale = getLocale(Astro.url);
 
@@ -31,4 +32,5 @@ if (!page) {
 const { Content } = await render(page);
 ---
 
+<MetaTags title={page.data.title} cover={page.data.cover?.src} />
 <Content />

src/pages/photos/[slug].astro

@@ -2,6 +2,7 @@
 import { getCollection, render } from "astro:content";
 import { getLocale } from "astro-i18n-aut";
 import { filterCollection, parseSlug } from "@i18n/utils";
+import MetaTags from "@components/MetaTags.astro";
 
 const locale = getLocale(Astro.url);
 
@@ -31,4 +32,5 @@ if (!page) {
 const { Content } = await render(page);
 ---
 
+<MetaTags title={page.data.title} cover={page.data.cover?.src} />
 <Content />

src/pages/projects/[slug].astro

@@ -2,6 +2,7 @@
 import { getCollection, render } from "astro:content";
 import { getLocale } from "astro-i18n-aut";
 import { filterCollection, parseSlug } from "@i18n/utils";
+import MetaTags from "@components/MetaTags.astro";
 
 const locale = getLocale(Astro.url);
 
@@ -31,4 +32,5 @@ if (!page) {
 const { Content } = await render(page);
 ---
 
+<MetaTags title={page.data.title} cover={page.data.cover?.src} />
 <Content />

src/pages/robots.txt.ts

@@ -0,0 +1,13 @@
+import type { APIRoute } from 'astro';
+
+const getRobotsTxt = (sitemapURL: URL) => `
+User-agent: *
+Allow: /
+
+Sitemap: ${sitemapURL.href}
+`;
+
+export const GET: APIRoute = ({ site }) => {
+  const sitemapURL = new URL('sitemap-index.xml', site);
+  return new Response(getRobotsTxt(sitemapURL));
+};