Fix #6: Display relative timestamps

src/routes/+page.svelte

@@ -30,7 +30,7 @@ let loadingOlderPosts = false;
 // Needed, so that edgeFly() can do its thing:
 // To determine whether a newly loaded post is older than the existing ones, is required to know what the oldest
 // post was, before the fetch happened.
-let oldestBeforeLastFetch: number | null = null;
+let oldestBeforeLastFetch: number | null = null;
 
 /**
  * Animate either from the top, or the bottom of the window, depending if the post is