Adding nullable disabled (TODO: change it to enabled), added impicitusings

TODO: Move from Newtonsoft Json if possible.

SecureSharing.Business/Infrastructure/Extensions/StartupExtensions.cs

 
 namespace SecureSharing.Business.Infrastructure.Extensions;
 
-public sealed class StartupExtensions
+public static class StartupExtensions
 {
     public static void ConfigureServices(IServiceCollection services)
     {

SecureSharing.Business/SecureSharing.Business.csproj

 
     <PropertyGroup>
         <TargetFramework>net6.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>disable</Nullable>
         <RootNamespace>SecureSharing.Business</RootNamespace>
     </PropertyGroup>
 

SecureSharing.Data/SecureSharing.Data.csproj

 
     <PropertyGroup>
         <TargetFramework>net6.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>disable</Nullable>
         <RootNamespace>SecureSharing.Data</RootNamespace>
     </PropertyGroup>
 

SecureSharing/Program.cs

-using Microsoft.AspNetCore.Hosting;
-using Microsoft.Extensions.Hosting;
-
 namespace SecureSharing;
 
 public sealed class Program

SecureSharing/SecureSharing.csproj

 
     <PropertyGroup>
         <TargetFramework>net6.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>disable</Nullable>
         <CopyRefAssembliesToPublishDirectory>false</CopyRefAssembliesToPublishDirectory>
         <RootNamespace>SecureSharing</RootNamespace>
     </PropertyGroup>