feat: use album create time for home ui and album listings

closes #182
closes #135

Co-authored-by: b-levin <windrider417@gmail.com>

server/ctrladmin/handlers.go

@@ -47,7 +47,7 @@ func (c *Controller) ServeHome(r *http.Request) *Response {
 	// recent folders box
 	c.DB.
 		Where("tag_artist_id IS NOT NULL").
-		Order("modified_at DESC").
+		Order("created_at DESC").
 		Limit(8).
 		Find(&data.RecentFolders)
 	data.IsScanning = c.Scanner.IsScanning()