feat: change page title

Author: anyulled

src/pages/index.astro

@@ -22,7 +22,7 @@ const description =
     <link rel="icon" href="/logo_small.png" type="image/png" />
     <meta name="generator" content={generator} />
 
-    <title>Astro Landing Page</title>
+    <title>Barcelona Java User Group</title>
     <meta name="description" content={description} />
 
     <!-- social media -->