uplink ringtone code + minor cleanup (#15277)

* uplink ringtone code + minor cleanup

* show uplink code in character menu

* no log

* rgbee

* no red

---------

Co-authored-by: deltanedas <@deltanedas:kde.org>

Content.Server/PDA/Ringer/RingerUplinkComponent.cs

@@ -0,0 +1,18 @@
+using Content.Shared.PDA;
+
+namespace Content.Server.PDA.Ringer;
+
+/// <summary>
+/// Opens the store ui when the ringstone is set to the secret code.
+/// Traitors are told the code when greeted.
+/// </summary>
+[RegisterComponent, Access(typeof(RingerSystem))]
+public sealed class RingerUplinkComponent : Component
+{
+    /// <summary>
+    /// Notes to set ringtone to in order to open the uplink.
+    /// Automatically initialized to random notes.
+    /// </summary>
+    [DataField("code")]
+    public Note[] Code = new Note[RingerSystem.RingtoneLength];
+}