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README.md

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+# go-raytracer
+
+A simple raycasting demo written in Go using SDL2.
+
+## Requirements
+
+- Go 1.24+
+- SDL2 development libraries installed on your system
+
+## Run
+
+```bash
+go run .
+```
+
+Or build the binary with:
+
+```bash
+make game
+./game
+```
+
+## Controls
+
+- Arrow Up / Down: move forward and backward
+- Arrow Left / Right: rotate
+- `m`: toggle minimap
+- `p`: toggle palette debug view
+- `Esc`: quit