Add wp-env config and instructions

.wp-env.json

@@ -0,0 +1,4 @@
+{
+  "core": null,
+  "theme": [ "." ]
+}

README.md

@@ -9,4 +9,17 @@ Repo for practice task for Autonomic front-end recruitment.
   - Similarly, you can use any monospace font in place of the MD IO typeface the website is using for monospace text.
   - The breadcrumb on top doesn't need to be functionaly. You can use static text.
   - You don't need to copy all of the site's content. Feel free to use placeholder text.
-  - Majority of the site's styling should be implemented via `theme.json`.
+  - Majority of the site's styling should be implemented via `theme.json`.
+
+## Running the site locally
+
+You can launch an instance of WordPress pre-loaded with this theme using the `wp-env` tool.
+
+```sh
+$ npm -g i @wordpress/env
+$ cd /path/to/theme/Repo
+$ wp-env start
+```
+
+This will launch a WordPress local instance at http://localhost:8888. You can log into the dashboard at http://localhost:8888/wp-admin with `admin` as the username and `password` as the password.
+