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README.md

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+# Advent of Code
+
+![CLI Preview](Preview.png)
+
+Advent of Code made in **C#**, using **[Spectre.Console](https://spectreconsole.net/)** for **console display** and **[BenchmarkDotNet](https://benchmarkdotnet.org/)** for **benchmarks**
+
+## Build and run
+
+- **Install [.Net 7 SDK](https://dotnet.microsoft.com/en-us/download)** if needed
+- **Clone** the repository
+- In a shell, execute `dotnet run`
+
+## Benchmarks
+
+> Todo...