Update README.md

Author: rouralberto

README.md

@@ -1,2 +1,17 @@
-# serverless-devs-helloworld
-Hello World made for Serverless Devs deploying on Alibaba Cloud
+<h1>Serverless Devs "Hello World"</h1>
+<h2>Installing Serverless Devs</h2>
+Once we have the above project structure ready, follow the next steps:
+<ul>
+ 	<li><a href="https://nodejs.org/en/download/">Install <strong>Node.js</strong></a> (<em>&gt;=10.8.0</em>) and <strong>NPM</strong> package management tools</li>
+ 	<li>Install <strong>Serverless Devs</strong> by running <code>npm install @serverless-devs/s -g</code></li>
+ 	<li>Check if Serverless Devs is working properly by running <code>s -v</code></li>
+</ul>
+After installing, you should run <code>s config add</code> to start the setup, choose "Alibaba Cloud (alibaba)" and follow the instructions to put your Alibaba Cloud credentials.
+
+&nbsp;
+<h2>Deployment</h2>
+Once we have everything ready, let's rock. This, as the last step, is the easiest of all of them, we just need to run <code>s deploy</code> and focus on the output, as we will have all the information we need in order to test if our code is running successfully.
+
+&nbsp;
+
+Thank you for reading all the way to this point, enjoy serverlessing!