Fixed csproj and removed unused folders

BrightGlimmer.Service/BrightGlimmer.Service.csproj

@@ -0,0 +1,23 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Folder Include="Interfaces\" />
+    <Folder Include="Handlers\CommandHandlers\" />
+    <Folder Include="Commands\" />
+    <Folder Include="Handlers\QueryHandlers\" />
+    <Folder Include="Queries\" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="MediatR" Version="6.0.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\BrightGlimmer.Data\BrightGlimmer.Data.csproj" />
+  </ItemGroup>
+
+</Project>

BrightGlimmer.Service/Cqrs.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace BrightGlimmer.Cqrs
+{
+    /* USED TO GET ASSEMBLY IN STARTUP.CS */
+    public class Cqrs { }
+}

BrightGlimmer.Service/Handlers/QueryHandlers/GetAllStudentsQueryHandler.cs

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+using BrightGlimmer.Data.Interfaces;
+using BrightGlimmer.Domain;
+using BrightGlimmer.Services.Queries;
+using MediatR;
+using Microsoft.EntityFrameworkCore; /* TODO */
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace BrightGlimmer.Services.Handlers.QueryHandlers
+{
+    public class GetAllStudentsQueryHandler : IRequestHandler<GetAllStudentsQuery, IEnumerable<Student>>
+    {
+        private readonly IQueryRepository<Student> repository;
+
+        public GetAllStudentsQueryHandler(IQueryRepository<Student> repository)
+        {
+            this.repository = repository;
+        }
+
+        public async Task<IEnumerable<Student>> Handle(GetAllStudentsQuery request, CancellationToken cancellationToken)
+        {
+            return await repository.Get().ToListAsync();
+        }
+    }
+}

BrightGlimmer.Service/Queries/GetAllStudentsQuery.cs

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+using BrightGlimmer.Domain;
+using MediatR;
+using System.Collections.Generic;
+
+namespace BrightGlimmer.Services.Queries
+{
+    public class GetAllStudentsQuery : IRequest<IEnumerable<Student>>
+    {
+    }
+}