update color-buildings example following new tutorial

analyses/color-buildings/README.md

@@ -1,31 +1,35 @@
 # This is an Autodesk Forma sandbox extension
 
-This extension is built using the **[Forma SDK for Javascript](https://aps.autodesk.com/en/docs/forma/v1/embedded-views/introduction/)** using an `Embedded View` in the `Right hand side analysis panel`
+This extension is built using the *
+*[Forma SDK for Javascript](https://app.autodeskforma.com/forma-embedded-view-sdk/docs/)** using an `Embedded View` in
+a `floating panel`.
 
-**What it does:** Allow the user to select some buildings and change their color
+[This tutorial](https://aps.autodesk.com/en/docs/forma/v1/embedded-views/tutorial/) describes step by step how this
+extension was built.
 
-## Illustration
+**What it does:** Allow the user to select some buildings and change their color as illustrated below:
 
-![Building colors screenshot](building-colors-screenshot.png)
+![Building colors screenshot](color-buildings-tutorial-result.png)
 
-## How was this built
+### How was this built
 
 The stack is built in a [vite](https://vitejs.dev/) + [preact](https://preactjs.com/)
 framework to enable features which are typical in a modern web developers
 toolbox.
 
 ### Local testing
 
-In order to work with this extension locally, make sure you have the
-[local testing extension](https://aps.autodesk.com/en/docs/forma/v1/embedded-views/getting-started/)
-for Forma installed. Install dependencies using
+In order to work with this extension locally, make sure you follow the steps in the
+[getting started guide](https://aps.autodesk.com/en/docs/forma/v1/embedded-views/getting-started/).
+
+Then, install dependencies using
 
 ```shell
-yarn install
+npm install
 ```
 
-and then you just need to run
+and run the extension with
 
 ```shell
-yarn start
-```
+npm run dev
+```