Add initial implementation of API, database, and user management components.

README.md

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+# MikrocopTest
+
+This repository contains a .NET 10 solution with:
+- `MikrocopApi`: ASP.NET Core Web API
+- `MikrocopDb`: Entity Framework Core data access layer (SQLite)
+- `MikrocopTests`: NUnit test project
+
+## Technologies Used
+
+- .NET SDK 10 (`net10.0`)
+- ASP.NET Core Web API
+- Entity Framework Core 10
+- SQLite (`Microsoft.EntityFrameworkCore.Sqlite`)
+- JWT authentication (`Microsoft.AspNetCore.Authentication.JwtBearer`)
+- Swagger / OpenAPI (`Swashbuckle.AspNetCore`)
+- Serilog (console + rolling file logs)
+- NUnit + Moq + Microsoft.NET.Test.Sdk
+
+## Prerequisites
+
+- .NET 10 SDK installed
+
+Check your installed version:
+
+```bash
+dotnet --version
+```
+
+## How to Run the Program
+
+From the repository root:
+
+```bash
+dotnet restore
+dotnet run --project MikrocopApi
+```
+
+Notes:
+- In `Development`, EF Core migrations are applied automatically on startup.
+- Swagger UI is available at `http://localhost:5018/swagger` by default.
+- Development DB connection string is in `MikrocopApi/appsettings.Development.json` (`mikrocop.dev.db`).
+
+## How to Use the API (JWT Flow)
+
+To use protected endpoints, follow this order:
+1. Register a user with `POST /api/auth/register`
+2. Log in with `POST /api/auth/login`
+3. Copy the returned JWT token and send it as:
+   `Authorization: Bearer <token>`
+
+Notes:
+- `api/auth/register` and `api/auth/login` are anonymous endpoints.
+- `api/users/*` endpoints require authentication (`[Authorize]`).
+- In Swagger, use the **Authorize** button and paste the token as `Bearer <token>`.
+
+## How to Run the Tests
+
+Run all tests in the solution:
+
+```bash
+dotnet test MikrocopTest.sln
+```
+
+Or run only the test project:
+
+```bash
+dotnet test MikrocopTests/MikrocopTests.csproj
+```