Add support for wp-env

Author: PatelUtkarsh

Diff for: .wp-env.json

@@ -0,0 +1,13 @@
+{
+  "core": "WordPress/WordPress",
+  "port": 8080,
+  "mappings": {
+    "wp-content/plugins/material-design": "./plugin",
+    "wp-content/themes/material-design-google": "./theme"
+  },
+  "env": {
+    "tests": {
+      "port": 8081
+    }
+  }
+}

Diff for: contributing/engineering.md

@@ -55,6 +55,12 @@ git clone [email protected]:material-components/material-design-for-wordpress.git m
 cd material-design
 ```
 
+### Windows local enviorment
+Use WordPress's [wp-env](https://developer.wordpress.org/block-editor/reference-guides/packages/packages-env/).
+
+1. Install wp-env as mentioned above.
+2. Start with `wp-env start` (Assuming you have `wp-env` installed globally with updated PATH variable or use `npx wp-env start` to execute from repository's node_modules):
+
 Setup the development tools using [Node.js](https://nodejs.org) and [Composer](https://getcomposer.org):
 
 ```bash