Updatign readme

Author: BenKBreen

README.md

@@ -14,21 +14,46 @@ If a density matrix ρ has high fidelity (> 1-δ) with a pure state, then its vo
 S(ρ) ≤ -(1-δ) log(1-δ) - δ log(δ/(R-1))
 ```
 
-## Building
+## Building the Project
 
 ```bash
 lake update
 lake exe cache get
 lake build
 ```
 
-## Blueprint
+## Blueprint Documentation
 
-Generate the documentation:
+**Prerequisites:**
+- Python ≥ 3.7
+- Graphviz:
+  - macOS: `brew install graphviz`
+  - Linux: `sudo apt-get install graphviz graphviz-dev`
 
-```bash
-cd blueprint
-leanblueprint web
-open web/index.html
-```
+**Setup:**
+
+1. Install leanblueprint:
+   ```bash
+   pip install leanblueprint
+   ```
+
+2. If installation fails with `pygraphviz` errors on macOS:
+   ```bash
+   pip install --config-settings="--global-option=build_ext" \
+     --config-settings="--global-option=-I$(brew --prefix graphviz)/include" \
+     --config-settings="--global-option=-L$(brew --prefix graphviz)/lib" \
+     pygraphviz
+   pip install leanblueprint
+   ```
+
+3. Generate the blueprint:
+   ```bash
+   cd blueprint
+   leanblueprint web
+   ```
+
+The blueprint will be at `blueprint/web/index.html`.
+
+## License
 
+This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.