chore: README

README.md

@@ -7,3 +7,21 @@ This project closely follows [_Ray Tracing in One Weekend_](https://raytracing.g
 ## Why
 
 Wanted to get a low level feel of raytracing and computer graphics in general.
+
+## Run
+
+Add your desired config in the main file and render the ppm image:
+
+```bash
+make run
+```
+
+Convert your render to png version using ImageMagick
+
+```bash
+./save-img.sh
+```
+
+<p align="center">
+    <img alt="titular render" src="./renders/2.png">
+</p>