fix: better README

README.md

@@ -4,20 +4,29 @@
 
 Use this code as a basis and let the laser points be with you.
 
-**Crash course**
+## **Crash course**
 
+#### 1. Clone the project
+```rust
+git clone https://git.interhacker.space/protonphoton/lj_templates_rust && cd lj_templates_rust
 ```
 
-$ git clone https://git.interhacker.space/protonphoton/lj_templates_rust && cd lj_templates_rust
-
-# Create a settings file, see the content for more details including redis server url 
-$ cp copyme.settings.toml settings.toml && $EDITOR settings.toml
-
-# Run the projet
-$ cargo run
-
+##### 2. Create a settings file, see the content for more details including redis server url 
+```rust
+cp copyme.settings.toml settings.toml && $EDITOR settings.toml
 ```
 
+##### 3. Edit the draw.rs to create your custom behavior  
+```rust
+$EDITOR src/draw.rs
+```
+
+##### 4.  Run the projet
+```rust
+cargo run
+```
+
+
 ## Associate projects
 
 **The LJ rust tracer projet and the nannou visualiser might be of help to simulate your project.**