feat: update examples

docs/examples/1.8.x/server-nodejs/examples/databases/update-point-attribute.md

@@ -0,0 +1,17 @@
+const sdk = require('node-appwrite');
+
+const client = new sdk.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
+
+const databases = new sdk.Databases(client);
+
+const result = await databases.updatePointAttribute({
+    databaseId: '<DATABASE_ID>',
+    collectionId: '<COLLECTION_ID>',
+    key: '',
+    required: false,
+    default: '', // optional
+    newKey: '' // optional
+});