Update footer links

- Add links to Features and About sections
- Replace GitHub link with git icon linking to self-hosted repo

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

src/routes/+page.svelte

@@ -11,7 +11,8 @@
 		Sliders,
 		ShieldCheck,
 		Layers,
-		SplitSquareHorizontal
+		SplitSquareHorizontal,
+		GitBranch
 	} from 'lucide-svelte';
 	import {
 		DropZone,
@@ -563,14 +564,17 @@
 					<span>Free & open source</span>
 				</div>
 				<div class="flex items-center gap-6 text-sm text-grey-500">
+					<a href="#features" class="hover:text-accent transition-colors">Features</a>
+					<a href="#about" class="hover:text-accent transition-colors">About</a>
 					<a href="#converter" class="hover:text-accent transition-colors">Converter</a>
 					<a
-						href="https://github.com"
+						href="https://git.jaroszew.ski/patrick/2eInk"
 						target="_blank"
 						rel="noopener noreferrer"
 						class="hover:text-accent transition-colors"
+						title="Source code"
 					>
-						GitHub
+						<GitBranch class="w-4 h-4" />
 					</a>
 				</div>
 			</div>