Initialized the ASP.NET Core application in `Program.cs` with
services for controllers, Swagger/OpenAPI, and middleware
for HTTPS redirection and authorization.
Added `launchSettings.json` to configure application launch
profiles for HTTP, HTTPS, and IIS Express environments.
Updated `ReC.API.csproj` to target .NET 8.0, enable nullable
reference types, and include the `Swashbuckle.AspNetCore`
package for Swagger support.
Added `appsettings.json` and `appsettings.Development.json`
for logging and environment-specific configurations.
Reorganized the solution structure in `ReC.sln` by moving
the `ReC.API` project under a `src` folder and updating
the `NestedProjects` section.
