Add project files.

samples/BasicSample/BasicSample.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net5.0</TargetFramework>
+    <Nullable>disable</Nullable>
+    <EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="5.0.6" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\EntityFrameworkCore.Projections.Generator\EntityFrameworkCore.Projections.Generator.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
+    <ProjectReference Include="..\..\src\EntityFrameworkCore.Projections\EntityFrameworkCore.Projections.csproj" />
+  </ItemGroup>
+
+</Project>

samples/BasicSample/Program.cs

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+using EntityFrameworkCore.Projections;
+using EntityFrameworkCore.Projections.Extensions;
+using Microsoft.Data.Sqlite;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using System;
+using System.Linq;
+
+namespace BasicSample
+{
+    public partial class User
+    {
+        public int Id { get; set; }
+
+        public string FirstName { get; set; }
+
+        public string LastName { get; set; }
+
+        [Projectable]
+        public string FullName
+            => FirstName + " " + LastName;
+
+        [Projectable]
+        public string FullNameFunc()
+            => FirstName + " " + LastName;
+    }
+
+    public class ApplicationDbContext : DbContext
+    {
+        public ApplicationDbContext(DbContextOptions options) : base(options)
+        {
+        }
+
+        public DbSet<User> Users { get; set; }
+    }
+
+
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            using var dbConnection = new SqliteConnection("Filename=:memory:");
+            dbConnection.Open();
+
+            using var serviceProvider = new ServiceCollection()
+                .AddDbContext<ApplicationDbContext>(options => {
+                    options
+                        .UseSqlite(dbConnection)
+                        .UseProjections();
+                })
+                .BuildServiceProvider();
+
+            var dbContext = serviceProvider.GetRequiredService<ApplicationDbContext>();
+            dbContext.Database.EnsureCreated();
+
+            var user = new User { FirstName = "Jon", LastName = "Doe" };
+
+            dbContext.Users.Add(user);
+
+            dbContext.SaveChanges();
+
+            var query = dbContext.Users
+                .Select(x => new {
+                     Foo = x.FullNameFunc()
+                 });
+
+            Console.WriteLine(query.ToQueryString());
+
+            var r1 = query.ToArray();
+        }
+    }
+}