docs(readme): Added info about loading levels and controls

README.md

@@ -1,3 +1,26 @@
-
 # Pseudo-3D hyperbolic engine
+
 My school project
+
+## Load levels
+
+You can load a level by pass the path to the level as an argument, see example:
+
+```sh
+python3 main.py maps/triangle.json
+```
+
+## Controls
+
+| Descripton                         | Key |
+|------------------------------------|:---:|
+| Move forwards                      |  W  |
+| Move backwards                     |  D  |
+| Strafe left                        |  Q  |
+| Strafe right                       |  E  |
+| Turn exactly 180 degrees           |  R  |
+| Toggle FPS cap                     | F1  |
+| Create a wall                      | F2  |
+| Toggle debug info                  | F3  |
+| Print to terminal current position | F4  |
+| Save level to `./levels` folder    | F5  |