fix(tuto): meta

Author: nerda-codes

tutorials/configure-graphite/index.mdx

@@ -6,6 +6,7 @@ content:
   h1: Installing and Configuring Graphite on Ubuntu 22.04
   paragraph: This tutorial explains how to install and configure Graphite on Ubuntu 22.04
 tags: Graphite Ubuntu
+categories:
   - kubernetes
   - instances
   - elastic-metal
@@ -206,4 +207,4 @@ You have now successfully installed and configured Graphite on **Ubuntu 22.04**.
 
 For production environments, consider using tools to automate data collection, as sending metrics via the terminal is not recommended for long-term use.
 
-For more details, refer to the [official Graphite documentation](https://graphite.readthedocs.io/en/latest/).
+For more details, refer to the [official Graphite documentation](https://graphite.readthedocs.io/en/latest/).