Add example js code to README #16

README.md

@@ -1,18 +1,37 @@
 ![Tests](https://github.com/open-pv/simshady/actions/workflows/tests.yml/badge.svg) ![Docs](https://github.com/open-pv/simshady/actions/workflows/typedoc.yml/badge.svg) [![NPM Version](https://img.shields.io/npm/v/@openpv/simshady)](https://www.npmjs.com/package/@openpv/simshady) [![NPM Downloads](https://img.shields.io/npm/dm/@openpv/simshady)](https://npmtrends.com/@openpv/simshady)
+
 # SimShady
+
 SimShady is a package for shading simulation and PV yield estimation based on 3D meshes. It runs on the GPU using WebGL. See it in action at [openpv.de](https://openpv.de).
 
 ## Installation
+
 To install the package, run
 
 ```
 npm i @openpv/simshady
 ```
 
 ## Usage
+
 We publish our documentation at https://open-pv.github.io/simshady/. Additionally, we have built a minimal vite webapp to showcase the most relevant features. Check out its source code [here](https://github.com/open-pv/minimalApp).
 
+The basic usage of the package works as follows:
+
+```javascript
+import ShadingScene from '@openpv/simshady';
+
+const lat = 50.0;
+const lon = 11.0;
+const scene = new ShadingScene(lat, lon);
+scene.addShadingGeometry(someShadingGeometry);
+scene.addSimulationGeometry(someSimulationGeometry);
+const mesh = await scene.calculate(100);
+showThreeJS(mesh);
+```
+
 ## Team
+
 <table>
 <tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
@@ -47,6 +66,7 @@ We publish our documentation at https://open-pv.github.io/simshady/. Additionall
 </table>
 
 ## Sponsors
+
 We thank our sponsors.
 
 <a href="https://prototypefund.de/">