Add server docs

docs/examples/1.7.x/server-php/examples/databases/create-boolean-attribute.md

@@ -0,0 +1,20 @@
+<?php
+
+use Appwrite\Client;
+use Appwrite\Services\Databases;
+
+$client = (new Client())
+    ->setEndpoint('https://<REGION>.cloud.appwrite.io/v1') // Your API Endpoint
+    ->setProject('<YOUR_PROJECT_ID>') // Your project ID
+    ->setKey('<YOUR_API_KEY>'); // Your secret API key
+
+$databases = new Databases($client);
+
+$result = $databases->createBooleanAttribute(
+    databaseId: '<DATABASE_ID>',
+    collectionId: '<COLLECTION_ID>',
+    key: '',
+    required: false,
+    default: false, // optional
+    array: false // optional
+);