Merge branch 'develop' into feature/tos-pp

Author: catarak

client/modules/IDE/components/PreviewFrame.jsx

@@ -24,8 +24,9 @@ function PreviewFrame({ fullView }) {
   const frameUrl = previewUrl;
   const sandboxAttributes = `allow-forms allow-modals allow-pointer-lock allow-popups 
     allow-same-origin allow-scripts allow-top-navigation-by-user-activation allow-downloads`;
-  const allow = `accelerometer; autoplay; camera; encrypted-media; geolocation;
-    gyroscope; microphone; magnetometer; midi; serial; vr;`;
+  const allow = `accelerometer; ambient-light-sensor; autoplay; camera; encrypted-media; geolocation; gyroscope; \
+    hid; microphone; magnetometer; midi; payment; usb; serial; vr; xr-spatial-tracking`;
+
   return (
     <Frame
       title="sketch preview"

developer_docs/README.md

@@ -4,6 +4,7 @@ This folder contains documents intended for developers of the p5.js Web Editor.
 * [Contribution Guide](https://github.com/processing/p5.js-web-editor/blob/develop/.github/CONTRIBUTING.md) - A place to get started!
 * [Installation](installation.md) - A guide for setting up your development environment
 * [Development](development.md) - A guide for adding code to the web editor
+* [Testing](./testing.md) - A guide for writing and running tests in the codebase
 * [Preparing a pull-request](preparing_a_pull_request.md) - Instructions for how to make a pull-request
 * [Accessibility Guidelines](accessibility.md) - Guidelines for writing code to create an accessible application
 * [Translations Guidelines](translations.md) - Guidelines for translating the application