Add mobile styles, social icons and README badges

src/lib/components/shell/Clock.svelte

@@ -20,13 +20,15 @@
 
 <span class="clock full">{now ? formatClock(now) : ''}</span>
 <span class="clock short">{now ? formatClock(now).split(' ').slice(1).join(' ') : ''}</span>
+<span class="clock time-only">{now ? formatClock(now).split(' ').at(-1) : ''}</span>
 
 <style>
 	.clock {
 		white-space: nowrap;
 	}
 
-	.short {
+	.short,
+	.time-only {
 		display: none;
 	}
 
@@ -39,4 +41,14 @@
 			display: inline;
 		}
 	}
+
+	@media (max-width: 420px) {
+		.short {
+			display: none;
+		}
+
+		.time-only {
+			display: inline;
+		}
+	}
 </style>