Feat: Update block-support-example docs (#2008)

* Fixed block-support as BlockB type is undefined and throws a 500 error

* Reverted changes and added docs into the README for block support example

* Update README.md

Updated link and also preview link for Faust.

Author: colinmurphy

examples/next/block-support/README.md

@@ -1,3 +1,50 @@
 # @faustwp/block-support-example
 
 Example showcasing Faust.js block editor support.
+
+
+# How to setup block-support-example
+
+## Pre-requisites
+
+See <https://faustjs.org/tutorial/get-started-with-faust> and <https://faustjs.org/tutorial/get-started-with-wp-graphql-content-blocks> for reference
+
+You have a WordPress instance with tne following plugins installed and active on your WordPress instance:
+
+-  [WPGraphQL](https://github.com/wp-graphql/wp-graphql)
+- [FaustWP](https://github.com/wpengine/faustjs/tree/canary/plugins/faustwp)
+- [WPGraphQL Content Blocks](https://github.com/wpengine/wp-graphql-content-blocks)
+
+
+In order to run the block-support example you need to do the following:
+
+
+```bash
+git clone [email protected]:wpengine/faustjs.git my-project
+cd my-project/examples/next/block-support/
+touch .env.local
+```
+
+Update the .env.local as per setup guide
+
+```.env.local
+# Your WordPress site URL
+NEXT_PUBLIC_WORDPRESS_URL=https://faustexample.wpengine.com
+
+# Plugin secret found in WordPress Settings->Headless
+#FAUST_SECRET_KEY=
+
+# The URL of your site, used by Faust for sitemap generation, however you can name this whatever you want.
+NEXT_PUBLIC_SITE_URL=http://localhost:3000
+
+```
+
+Finally
+```
+nvm use
+npm install
+npm run blockset
+npm run dev
+```
+
+Your site should now be working on http://localhost:3000