feat: add Teams packet support (parsing, state tracking, /teams command, bot API)

Agent-Logs-Url: https://github.com/MCCTeam/Minecraft-Console-Client/sessions/72ea891e-ba62-4dfc-bbba-f197cd1d0404

Co-authored-by: milutinke <441903+milutinke@users.noreply.github.com>

MinecraftClient/Mapping/PlayerTeam.cs

@@ -0,0 +1,49 @@
+using System.Collections.Generic;
+
+namespace MinecraftClient.Mapping
+{
+    /// <summary>
+    /// Represents a Minecraft scoreboard team and its current state.
+    /// </summary>
+    public class PlayerTeam
+    {
+        /// <summary>Team internal name (up to 16 chars)</summary>
+        public string Name { get; set; } = string.Empty;
+
+        /// <summary>Display name component (formatted text)</summary>
+        public string DisplayName { get; set; } = string.Empty;
+
+        /// <summary>Friendly fire is allowed between team members</summary>
+        public bool AllowFriendlyFire { get; set; }
+
+        /// <summary>Team members can see invisible teammates</summary>
+        public bool SeeFriendlyInvisibles { get; set; }
+
+        /// <summary>
+        /// Nametag visibility rule.
+        /// Values: "always", "hideForOtherTeams", "hideForOwnTeam", "never"
+        /// </summary>
+        public string NameTagVisibility { get; set; } = string.Empty;
+
+        /// <summary>
+        /// Collision rule.
+        /// Values: "always", "pushOtherTeams", "pushOwnTeam", "never"
+        /// </summary>
+        public string CollisionRule { get; set; } = string.Empty;
+
+        /// <summary>
+        /// Team color as ChatFormatting enum ordinal (-1 = RESET/none,
+        /// 0–15 = BLACK … WHITE).
+        /// </summary>
+        public int Color { get; set; } = -1;
+
+        /// <summary>Prefix displayed before member names (formatted text)</summary>
+        public string Prefix { get; set; } = string.Empty;
+
+        /// <summary>Suffix displayed after member names (formatted text)</summary>
+        public string Suffix { get; set; } = string.Empty;
+
+        /// <summary>Current set of player / entity names on this team</summary>
+        public HashSet<string> Members { get; } = new(System.StringComparer.OrdinalIgnoreCase);
+    }
+}