improve readmes

packages/mini/README.md

@@ -33,3 +33,12 @@ yields:
 ## Mini Notation API
 
 See "Mini Notation" in the [Strudel Tutorial](https://strudel.tidalcycles.org/tutorial/)
+
+## Building the Parser
+
+The parser [krill-parser.js] is generated from [krill.pegjs](./krill.pegjs) using [peggy](https://peggyjs.org/).
+To generate the parser, run
+
+```js
+npm run build:parser
+```

packages/osc/README.md

@@ -31,7 +31,9 @@ Now open Supercollider (with the super dirt startup file)
 Now open the REPL and type:
 
 ```js
-s("<bd sd> hh").osc()
+s('<bd sd> hh').osc();
 ```
 
 or just [click here](http://localhost:3000/#cygiPGJkIHNkPiBoaCIpLm9zYygp)...
+
+You can read more about [how to use Superdirt with Strudel the Tutorial](https://strudel.tidalcycles.org/tutorial/#superdirt-api)

packages/react/README.md

@@ -1,4 +1,44 @@
 # @strudel.cycles/react
 
-This package contains react hooks and components for strudel.
+This package contains react hooks and components for strudel. It is used internally by the Strudel REPL.
-Example coming soon
+
+## Install
+
+```js
+npm i @strudel.cycles/react
+```
+
+## Usage
+
+Here is a minimal example of how to set up a MiniRepl:
+
+```jsx
+import { evalScope } from '@strudel.cycles/eval';
+import { MiniRepl } from '@strudel.cycles/react';
+import controls from '@strudel.cycles/core/controls.mjs';
+import { prebake } from '../repl/src/prebake.mjs';
+
+evalScope(
+  controls,
+  import('@strudel.cycles/core'),
+  import('@strudel.cycles/tonal'),
+  import('@strudel.cycles/mini'),
+  import('@strudel.cycles/webaudio'),
+  /* probably import other strudel packages */
+);
+
+prebake();
+
+export function Repl({ tune }) {
+  return <MiniRepl tune={tune} hideOutsideView={true} />;
+}
+```
+
+## Development
+
+If you change something in here and want to see the changes in the repl, make sure to run `npm run build` inside this folder!
+
+```js
+npm run dev # dev server
+npm run build # build package
+```