Renamed PluginManager to DiscordBotCore.

Revamped the Logger

DiscordBotCore/Others/JsonManager.cs

@@ -0,0 +1,53 @@
+using System;
+using System.IO;
+using System.Text;
+using System.Text.Json;
+using System.Threading.Tasks;
+
+namespace DiscordBotCore.Others;
+
+public class JsonManager
+{
+    /// <summary>
+    ///     Save to JSON file
+    /// </summary>
+    /// <typeparam name="T">The class type</typeparam>
+    /// <param name="file">The file path</param>
+    /// <param name="Data">The values</param>
+    /// <returns></returns>
+    public static async Task SaveToJsonFile<T>(string file, T Data)
+    {
+        var str = new MemoryStream();
+        await JsonSerializer.SerializeAsync(str, Data, typeof(T), new JsonSerializerOptions
+            {
+                WriteIndented = true
+            }
+        );
+        await File.WriteAllBytesAsync(file, str.ToArray());
+        await str.FlushAsync();
+        str.Close();
+    }
+
+    /// <summary>
+    ///     Convert json text or file to some kind of data
+    /// </summary>
+    /// <typeparam name="T">The data type</typeparam>
+    /// <param name="input">The file or json text</param>
+    /// <returns></returns>
+    public static async Task<T> ConvertFromJson<T>(string input)
+    {
+        Stream text;
+        if (File.Exists(input))
+            text = new MemoryStream(await File.ReadAllBytesAsync(input));
+        else
+            text = new MemoryStream(Encoding.ASCII.GetBytes(input));
+
+        text.Position = 0;
+
+        var obj = await JsonSerializer.DeserializeAsync<T>(text);
+        await text.FlushAsync();
+        text.Close();
+        
+        return (obj ?? default)!;
+    }
+}