fix: correct header metadata URLs (#108)

Author: 3w36zj6

templates/base_template.html.j2

@@ -7,17 +7,17 @@
   <meta name="description" content="{{ description }}">
   <meta name="viewport" content="width=device-width,initial-scale=1">
   <meta name="theme-color" content="#239dad">
-  <meta property="og:url" content="{{ 'https://typst-doc-cn.github.io' + route }}">
+  <meta property="og:url" content="{{ 'https://typst-jp.github.io' + route }}">
   <meta property="og:title" content="{{ title }} – Typstドキュメント日本語版">
   <meta property="og:site_name" content="Typst">
   <meta property="og:description" content="{{ description }}">
   <meta property="og:type">
-  <meta property="og:image" content="https://typst-doc-cn.github.io/assets/social.png">
+  <meta property="og:image" content="https://typst-jp.github.io/assets/social.png">
   <meta property="og:image:width" content="1200">
   <meta property="og:image:height" content="630">
   <meta name="twitter:site" content="@typstapp">
   <meta name="twitter:card" content="summary_large_image">
-  <link rel="canonical" href="{{ 'https://typst-doc-cn.github.io' + route }}">
+  <link rel="canonical" href="{{ 'https://typst-jp.github.io' + route }}">
   <meta name="twitter:image:alt"
     content="The left side of a text editor with colorful cursors, as well as the text &#x27;Compose papers faster, Typst&#x27;">
   <link rel="icon" type="image/png" sizes="32x32" href="/assets/favicon.ico">