Add home to uPlexa nav, properly link the uPlexa Mastodon bridge

www/uplexa/index.html

@@ -13,7 +13,8 @@
 		<table id="nav">
 			<tbody>
 				<tr>
-					<td><a href="https://social.librem.one">Mastodon Bridge</a></td>
+					<td><a href="/uplexa/index.html">Home</a></td>
+					<td><a href="https://social.librem.one/@uplexa">Mastodon Bridge</a></td>
 					<td><a href="https://codeberg.org/upx-mirror">Git Mirrors</a></td>
 				</tr>
 			</tbody>