Add tutorial

Author: anurag

README.md

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+# README
+
+This is the [hapi](https://hapijs.com) [Getting Started](https://hapijs.com/tutorials) tutorial on [Render](https://render.com).
+
+The app in this repo is deployed at [https://hapijs.app.render.com](https://hapijs.app.render.com).
+
+## Deployment
+1. Create a new Render project using your version of this repo.
+
+2. Create a new web service in the project with the following values:
+    * Build Command: `npm install`
+    * Start Command: `node server.js`
+
+That's it! Your web service will be live on your Render URL as soon as the build finishes.
+
+## Node versions
+By default, Render uses the latest LTS version of Node.
+
+It can also automatically detects and install the version of Node specified in the [engines](https://docs.npmjs.com/files/package.json#engines) directive in `package.json`. This can be an exact version like `10.11.0` or a range like `>=10.11 <10.12`.
+
+This is the relevant snippet from `package.json` in this repo:
+```json
+  "engines": {
+    "node": ">=10 <11"
+  }
+```