Update README.md

README.md

@@ -5,3 +5,71 @@
 [![Code Quality](https://img.shields.io/codacy/grade/14793b443be444dbb19c02ddca1b0118.svg?style=flat-square)](https://app.codacy.com/gh/misantron/dynamite)
 
 AWS DynamoDB migrations and seeding tool
+
+## Install
+
+The preferred way to install is through [Composer](https://getcomposer.org).
+Run this command to install the latest stable version:
+
+```shell
+composer require --dev misantron/dynamite
+```
+
+## Examples
+
+### Create table
+
+```php
+<?php
+
+declare(strict_types=1);
+
+namespace Migrations;
+
+final class CreateUsersTable extends \Dynamite\AbstractMigration
+{
+    public function up(): void
+    {
+        $this
+            ->setTableName('Users')
+            ->addAttribute('Id', 'S')
+            ->addAttribute('Email', 'S')
+            ->addHashKey('Id')
+            ->addGlobalSecondaryIndex('Emails', 'KEYS_ONLY', 'Email')
+            ->setProvisionedThroughput(1, 1)
+            ->create()
+        ;
+    }
+}
+```
+
+### Create seeder
+
+```php
+<?php
+
+declare(strict_types=1);
+
+namespace Seeders;
+
+final class UsersTableSeeder extends \Dynamite\AbstractSeeder
+{
+    public function seed(): void
+    {
+        $this
+            ->setTableName('Users')
+            ->addItems([
+                [
+                    'Id' => ['S' => 'e5502ec2-42a7-408b-9f03-f8e162b6257e'],
+                    'Email' => ['S' => '[email protected]'],
+                ],
+                [
+                    'Id' => ['S' => 'f0cf458c-4fc0-4dd8-ba5b-eca6dba9be63'],
+                    'Email' => ['S' => '[email protected]'],
+                ],  
+            ])
+            ->save()
+        ;
+    }
+}
+```