Lesson 1 refresh

RESDME.md

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+# NetPulse
+
+NetPulse is a learning and practice project to build a production-style .NET 8 monitoring system.
+
+## Goals
+
+- Learn modern C# and .NET 8 features
+- Practice clean architecture and layering
+- Use Entity Framework Core with multiple databases
+- Build a CLI, Web API, and Web UI
+- Set up testing, logging, and CI/CD
+- Deploy on Linux with containers
+
+## Repository Layout
+
+- `docs/` <20> Architecture notes, diagrams, design decisions
+- `src/` <20> Application source code (Core, Data, CLI, API, Web)
+- `tests/` <20> Test projects for Core, Data, and API
+
+## Requirements
+
+- .NET 8 SDK
+- Git
+- Your preferred IDE:
+  - Visual Studio 2022 (with .NET workload), or
+  - JetBrains Rider, or
+  - VS Code with C# Dev Kit
+
+## Getting Started
+
+```bash
+git clone <your-repo-url>
+cd NetPulse
+dotnet sln list