Add project files.

Gready_Poang.Migrations/Gready_Poang.Migrations.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+	  <TargetFrameworks>
+		  net9.0-android;
+		  net9.0-ios;
+		  net9.0-maccatalyst;
+		  net9.0-windows10.0.19041
+	  </TargetFrameworks>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="9.0.8">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="9.0.8" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="9.0.8" />
+    <PackageReference Include="Microsoft.Extensions.Hosting" Version="9.0.8" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Gready_Poang.DataLayer\Gready_Poang.DataLayer.csproj" />
+  </ItemGroup>
+
+</Project>

Gready_Poang.Migrations/Program.cs

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+using GreadyPoang.DataLayer.Database;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Hosting; // Replace with your actual namespace
+
+class Program
+{
+    static void Main(string[] args)
+    {
+        using var host = CreateHostBuilder(args).Build();
+
+        // Resolve your DbContext
+        var context = host.Services.GetRequiredService<DataContext>();
+        context.Database.EnsureCreated();
+        // Optional: Apply migrations at runtime
+        context.Database.Migrate();
+
+        Console.WriteLine("Migration applied successfully.");
+    }
+
+    static IHostBuilder CreateHostBuilder(string[] args) =>
+        Host.CreateDefaultBuilder(args)
+            .ConfigureServices((_, services) =>
+            {
+                var MauiDataPath = string.Empty;
+                MauiDataPath = File.ReadAllText(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "MauiDataPath_GreadyPoang.txt"));
+                var dbPath = Path.Combine(MauiDataPath, "PoangDB.db");
+                services.AddDbContext<DataContext>(options =>
+                    options.UseSqlite($"Data Source={dbPath}"));
+            });
+}
+
+// dotnet ef migrations add FixHeatToRoundParams --project GreadyPoang.DataLayer  --startup-project GreadyPoang.Migrations
+// dotnet ef database update --project GreadyPoang.DataLayer  --startup-project GreadyPoang.Migrations