Abstract away cache. 2 implementations: redis and memory

src/NadekoBot/Common/Configs/BotConfig.cs

@@ -12,7 +12,7 @@ namespace NadekoBot.Common.Configs;
 public sealed partial class BotConfig : ICloneable<BotConfig>
 {
     [Comment(@"DO NOT CHANGE")]
-    public int Version { get; set; } = 2;
+    public int Version { get; set; } = 3;
 
     [Comment(@"Most commands, when executed, have a small colored line
 next to the response. The color depends whether the command
@@ -182,4 +182,4 @@ public enum ConsoleOutputType
     Normal = 0,
     Simple = 1,
     None = 2
-}
+}