Refine homepage layout

- Remove announcement box styling, keep only yellow text link
- Move links-bottom to true bottom of page using flexbox
- Add min-height: 100vh to body for proper footer alignment
- Announcement link now styled as plain yellow text without borders

index.html

@@ -239,8 +239,12 @@
   dangrubb.net
 </p>
 
-<div class="announcement">
+<p class="announcement">
   <a href="https://dangrubb.net/music">EXCLUSIVE: Leaked mixtape from Darnea's vault</a>
+</p>
+
+<div class="debug">
+  <div class="code"></div>
 </div>
 
 <div class="links-bottom">
@@ -251,9 +255,6 @@
   <a target="_parent" href="https://dangrubb.net/cv">cv</a>
   <a target="_parent" href="https://pi.dangrubb.net/dangit">git</a>
 </div>
-<div class="debug">
-  <div class="code"></div>
-</div>
 <!-- partial -->
   <script  src="./script.js"></script>