Reworked encryption to use less heap allocated buffers for secrets.

Also some work on plugin system.

IdentityShroud.GraphQL/IdentityShroud.GraphQL.csproj

@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net10.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <PackageReference Include="HotChocolate.AspNetCore" Version="15.1.14" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\IdentityShroud.Core\IdentityShroud.Core.csproj" />
+    </ItemGroup>
+
+</Project>

IdentityShroud.GraphQL/Query.cs

@@ -0,0 +1,26 @@
+susing IdentityShroud.Core.Contracts;
+using IdentityShroud.Core.Model;
+
+namespace IdentityShroud.GraphQL;
+
+public class Query
+{
+    public string GetHello() => "Hello, world!";
+
+    public async Task<Realm?> GetRealms(
+        Guid id,
+        [Service] IRealmService realmService)
+    {
+        return await realmService.FindById(id);
+    }
+}
+
+public class Mutation
+{
+    public async Task<Realm> RealmCreate(string name)
+    {
+        Realm r = new();
+
+        return r;
+    }
+}

IdentityShroud.GraphQL/RegistrationExtensions.cs

@@ -0,0 +1,31 @@
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Routing;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace IdentityShroud.GraphQL;
+
+public static class RegistrationExtensions
+{
+    extension(IServiceCollection services)
+    {
+        public IServiceCollection AddIdentityShroudGraphQL()
+        {
+            services
+                .AddGraphQLServer()
+                .AddMutationConventions(applyToAllMutations: true)
+                .AddMutationType<Mutation>()
+                .AddQueryType<Query>();
+            
+            return services;
+        }
+    }
+
+    extension(IEndpointRouteBuilder app)
+    {
+        public IEndpointRouteBuilder MapIdentityShroudGraphQL()
+        {
+            app.MapGraphQL();
+            return app;
+        }
+    }
+}