Replaced scripting system with plugin system

MycroForge.TestPlugin/Constants.cs

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+namespace MycroForge.TestPlugin;
+
+public static class Constants
+{
+    public const string MainCommandName = "mj";
+}

MycroForge.TestPlugin/MyJewelleryCommand.cs

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+using System.CommandLine;
+using MycroForge.Core;
+using MycroForge.Core.Contract;
+using RootCommand = MycroForge.Core.RootCommand;
+
+namespace MycroForge.TestPlugin;
+
+public class MyJewelleryCommand : Command, ISubCommandOf<RootCommand>
+{
+    private readonly ProjectContext _context;
+
+    public MyJewelleryCommand(ProjectContext context) : 
+        base(Constants.MainCommandName, "Custom command for My Jewellery specific stuff")
+    {
+        _context = context;
+        this.SetHandler(ExecuteAsync);
+    }
+    
+    private async Task ExecuteAsync()
+    {
+        await _context.CreateFile("hello_world.txt",
+            "My Jewellery command plugin is working!"
+        );
+    }
+}

MycroForge.TestPlugin/MyJewelleryCommandPlugin.cs

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+using Microsoft.Extensions.DependencyInjection;
+using MycroForge.Core.Contract;
+using RootCommand = MycroForge.Core.RootCommand;
+
+namespace MycroForge.TestPlugin;
+
+public class MyJewelleryCommandPlugin : ICommandPlugin
+{
+    public string Name => $"{nameof(MycroForge)}.{nameof(TestPlugin)}";
+    public string Command => Constants.MainCommandName;
+
+    public void RegisterServices(IServiceCollection services)   
+    {
+        services.AddScoped<ISubCommandOf<RootCommand>, MyJewelleryCommand>();
+    }
+}

MycroForge.TestPlugin/MycroForge.TestPlugin.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\MycroForge.Core\MycroForge.Core.csproj" />
+    </ItemGroup>
+
+</Project>