Automated whitelists (#23985)

* Beginnings of making the breadmemes jobs easier

* stuff

* stuff pt. 2

* Stuff pt.3

* Stuff I forgot last time

* Basic whitelist

Only people that are added to the whitelist with the addwhitelist command will be able to join. I call this the "legacy" whitelist

* Remove always deny condition in favor of just breaking if playtime check fails

* Change default whitelist

Default whitelist is now the "legacy" whitelist.

* localization

* Admin check

* minor spelling change

* Fix build

* Whitelist message

* Fix vars not being datafield and spelling mistakes

* Minor spelling mistake

* Change config for salamander

* Reviews and stuff

* Add summaries

* Fix whitelists

* Forgot to add a datafield

* Fixing stuff I guess

* Reuse admin remarks to reduce load when connecting.

* Update log messages to be verbose instead of debug

* Reviews

* whoops

* Explain a bit more how whitelist checking works

* Apply CE's review

* Append Membership to Blacklist and Whitelist conditions

* Fix review comments

* Uncapitalize playerConnectionWhitelist, add to ignored client prototypes

* Make note count field work

* Fix cvar for thingy

---------

Co-authored-by: Pieter-Jan Briers <pieterjan.briers+git@gmail.com>

Content.Server.Database/Model.cs

@@ -28,6 +28,7 @@ namespace Content.Server.Database
         public DbSet<AdminLog> AdminLog { get; set; } = null!;
         public DbSet<AdminLogPlayer> AdminLogPlayer { get; set; } = null!;
         public DbSet<Whitelist> Whitelist { get; set; } = null!;
+        public DbSet<Blacklist> Blacklist { get; set; } = null!;
         public DbSet<ServerBan> Ban { get; set; } = default!;
         public DbSet<ServerUnban> Unban { get; set; } = default!;
         public DbSet<ServerBanExemption> BanExemption { get; set; } = default!;
@@ -551,6 +552,15 @@ namespace Content.Server.Database
         [Required, Key] public Guid UserId { get; set; }
     }
 
+    /// <summary>
+    /// List of users who are on the "blacklist". This is a list that may be used by Whitelist implementations to deny access to certain users.
+    /// </summary>
+    [Table("blacklist")]
+    public class Blacklist
+    {
+        [Required, Key] public Guid UserId { get; set; }
+    }
+
     public class Admin
     {
         [Key] public Guid UserId { get; set; }