Fix site name in nav bar (#15)

Author: rdhar

src/components/Header.astro

@@ -1,11 +1,11 @@
 ---
-import { SITE_TITLE } from "../consts";
+import { SITE_NAME } from "../consts";
 import HeaderLink from "./HeaderLink.astro";
 ---
 
 <header>
   <nav>
-    <h2><a href="/">{SITE_TITLE}</a></h2>
+    <h2><a href="/">{SITE_NAME}</a></h2>
     <div class="internal-links">
       <HeaderLink href="/">Home</HeaderLink>
       <HeaderLink href="/blog">Blog</HeaderLink>

src/consts.ts

@@ -1,5 +1,6 @@
 // Place any global data in this file.
 // You can import this data from anywhere in your site by using the `import` keyword.
 
+export const SITE_NAME = 'HotFix.Day';
 export const SITE_TITLE = 'HotFix.Day · Fixes, Failures & the Future of DevOps';
 export const SITE_DESCRIPTION = 'Things break in production; we write about why. Incident analysis, infrastructure automation, CI/CD, observability, and open-source SRE tooling.';