Another fixes and features (#392)

* fix: doorlights supports emagging now + fix emergency light

* add todo to PointLightAirlockSystem.cs

* tweak: reduce captain armor size

* fix: fix wt550 magazine stored rotation

* add: new lobby songs

* fix: fix lobby music rotation

Content.Server/_White/Discord/RoundNotificationsSystem.cs

@@ -2,6 +2,7 @@ using System.Net.Http;
 using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
+using Content.Server._White.Discord.GameTicking;
 using Content.Server.Maps;
 using Content.Shared.GameTicking;
 using Content.Shared._White;