feat: update site tagline to mention daily/weekly/monthly cadence

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: kt3k

src/_data.yml

@@ -1,3 +1,3 @@
 site_name: Changelog
-site_description: A daily dispatch from the open-source world.
+site_description: Daily, weekly, and monthly summaries of the main branches of selected git repos.
 author: kt3k

src/about.vto

@@ -6,7 +6,7 @@ description: How Changelog turns each day's commits into a plain-language digest
 <article>
   <header class="mb-12 text-center">
     <h1 class="mb-4 text-4xl font-bold leading-tight tracking-tight md:text-5xl">About</h1>
-    <p class="mx-auto max-w-lg text-xl leading-snug text-ink-soft">A daily, LLM-written digest of selected git repositories.</p>
+    <p class="mx-auto max-w-lg text-xl leading-snug text-ink-soft">Daily, weekly, and monthly summaries of the main branches of selected git repos.</p>
   </header>
 
   <div class="post-body">

src/index.page.ts

@@ -246,7 +246,7 @@ export default function (data: Lume.Data): string {
 </script>`;
 
   const intro = `<div class="mb-10 border-b border-rule pb-8">
-      <p class="m-0 text-lg leading-snug text-ink-soft">A daily, LLM-written digest of selected git repositories. <a class="font-semibold text-accent no-underline hover:underline" href="/about">Why and how →</a></p>
+      <p class="m-0 text-lg leading-snug text-ink-soft">Daily, weekly, and monthly summaries of the main branches of selected git repos. <a class="font-semibold text-accent no-underline hover:underline" href="/about">Why and how →</a></p>
     </div>`;
 
   return `${intro}<div>${cards.join("\n")}</div>${script}`;