fix: add trailing slash to links to avoid extra redirects (#246)

Add trailing slash to links for improved consistency with RSS links and to avoid unnecessary redirects.

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Co-authored-by: satnaing <satnaingdev@gmail.com>

src/components/Tag.astro

@@ -13,7 +13,7 @@ const { tag, size = "sm" } = Astro.props;
   }`}
 >
   <a
-    href={`/tags/${tag}`}
+    href={`/tags/${tag}/`}
     transition:name={tag}
     class={`${size === "sm" ? "text-sm" : "text-lg"} pr-2 group`}
   >