requirements + minimal readme

README.md

@@ -1,4 +1,25 @@
-# Force Graph
+# Graph Force
 
 A python/rust library for embedding graphs in 2D space, using force-directed layouts.
 
+## Development
+
+### Setup
+```
+python3 -m venv venv
+source venv/bin/activate
+pip install -r requirements.txt
+```
+
+### Build
+```
+maturin develop
+```
+
+## Usage
+```python
+import graph_force
+
+edges = [(0, 1), (1, 2), (2, 3), (3, 0)]
+pos = graph_force.layout_from_edge_list(4, edges)
+```

requirements.txt

@@ -0,0 +1 @@
+maturin==0.14.1