add mini example

packages/mini/README.md

@@ -7,3 +7,31 @@ This package contains the mini notation parser and pattern generator.
 ```sh
 npm i @strudel.cycles/mini --save
 ```
+
+## Example
+
+```js
+import { mini } from '@strudel.cycles/mini';
+
+const pattern = mini('a [b c*2]');
+
+const events = pattern.firstCycle().map((e) => e.show());
+console.log(events);
+
+document.getElementById('app').innerHTML = events.join('<br/>');
+```
+
+yields:
+
+```log
+(0/1 -> 1/2, 0/1 -> 1/2, a)
+(1/2 -> 3/4, 1/2 -> 3/4, b)
+(3/4 -> 7/8, 3/4 -> 7/8, c)
+(7/8 -> 1/1, 7/8 -> 1/1, c)
+```
+
+[Play with @strudel.cycles/mini codesandbox](https://codesandbox.io/s/strudel-mini-example-oe9wcu?file=/src/index.js)
+
+## Mini Notation API
+
+See "Mini Notation" in the [Strudel Tutorial](https://strudel.tidalcycles.org/tutorial/)