1.6.2a

```diff
+ Added duration and reason menu when admin try to ban/mute without specific time
+ Added `NotifyPenaltiesToAdminOnConnect` config setting to disable notifications globally
+ Added immunity check when using game vote to kick player

- Removed `Discord.Net.Webhook` package (too heavy)
```

CS2-SimpleAdmin/Managers/DiscordManager.cs

@@ -0,0 +1,124 @@
+using System.Text;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+
+namespace CS2_SimpleAdmin.Managers;
+
+public class DiscordManager(string webhookUrl)
+{
+    public async Task SendMessageAsync(string message)
+    {
+        var client = CS2_SimpleAdmin.HttpClient;
+        
+        var payload = new
+        {
+            content = message
+        };
+
+        var json = JsonConvert.SerializeObject(payload);
+        var content = new StringContent(json, Encoding.UTF8, "application/json");
+
+        try
+        {
+            var response = await client.PostAsync(webhookUrl, content);
+
+            if (!response.IsSuccessStatusCode)
+            {
+                CS2_SimpleAdmin._logger?.LogError(
+                    $"Failed to send discord message. Status Code: {response.StatusCode}, Reason: {response.ReasonPhrase}");
+            }
+        }
+        catch (HttpRequestException e)
+        {
+            CS2_SimpleAdmin._logger?.LogError($"Error sending discord message: {e.Message}");
+        }
+    }
+
+    public async Task SendEmbedAsync(Embed embed)
+    {
+        var httpClient = CS2_SimpleAdmin.HttpClient;
+
+        var payload = new
+        {
+            embeds = new[]
+            {
+                new
+                {
+                    color = embed.Color,
+                    title = !string.IsNullOrEmpty(embed.Title) ? embed.Title : null,
+                    description = !string.IsNullOrEmpty(embed.Description) ? embed.Description : null,
+                    thumbnail = !string.IsNullOrEmpty(embed.ThumbnailUrl) ? new { url = embed.ThumbnailUrl } : null,
+                    image = !string.IsNullOrEmpty(embed.ImageUrl) ? new { url = embed.ImageUrl } : null,
+                    footer = !string.IsNullOrEmpty(embed.Footer?.Text) ? new { text = embed.Footer.Text, icon_url = embed.Footer.IconUrl } : null,
+                    timestamp = embed.Timestamp,
+                    fields = embed.Fields.Count > 0 ? embed.Fields.Select(field => new
+                    {
+                        name = field.Name,
+                        value = field.Value,
+                        inline = field.Inline
+                    }).ToArray() : null
+                }
+            }
+        };
+
+        var jsonPayload = JsonConvert.SerializeObject(payload);
+        var content = new StringContent(jsonPayload, Encoding.UTF8, "application/json");
+
+        var response = await httpClient.PostAsync(webhookUrl, content);
+
+        if (!response.IsSuccessStatusCode)
+        {
+            var errorMessage = await response.Content.ReadAsStringAsync();
+            CS2_SimpleAdmin._logger?.LogError($"Failed to send embed: {response.StatusCode} - {errorMessage}");
+        }
+    }
+    
+    public static int ColorFromHex(string hex)
+    {
+        if (hex.StartsWith($"#"))
+        {
+            hex = hex[1..];
+        }
+
+        return int.Parse(hex, System.Globalization.NumberStyles.HexNumber);
+    }
+}
+
+public class Embed
+{
+    public int Color { get; init; }
+    public string? Title { get; init; }
+    public string? Description { get; init; }
+    public string? ImageUrl { get; init; }
+    public string? ThumbnailUrl { get; init; }
+    public Footer? Footer { get; init; }
+    public string? Timestamp { get; init; }
+
+    public List<EmbedField> Fields { get; } = [];
+
+    public void AddField(string name, string value, bool inline)
+    {
+        var field = new EmbedField
+        {
+            Name = name,
+            Value = value,
+            Inline = inline
+        };
+        
+        Fields.Add(field);
+    }
+}
+
+public class Footer
+{
+    public string? Text { get; init; }
+    public string? IconUrl { get; set; }
+}
+
+public class EmbedField
+{
+    public string? Name { get; init; }
+    public string? Value { get; init; }
+    public bool Inline { get; init; }
+}
+