Opta ModBus RTU, Fix metadata (#885)

Author: marqdevx

content/hardware/05.pro-solutions/solutions-and-kits/opta/tutorials/getting-started-with-modbus-rtu/content.md

@@ -1,18 +1,17 @@
 ---
-title: "Getting Started with Modbus RTU on Opta™"
+title: 'Getting Started with Modbus RTU on Opta™'
 description: "Learn how to use the Modbus RTU serial protocol on Opta™."
 author: 'José Bagur and Taddy Chung'
-libraries: 
-  - name: ArduinoRS485
-    url: https://www.arduino.cc/reference/en/libraries/arduinors485/
-  - name: ArduinoModbus
-    url: https://www.arduino.cc/reference/en/libraries/arduinomodbus/
+libraries:
+  - name: 'ArduinoRS485'
+    url: https://www.arduino.cc/reference/en/libraries/arduinors485
+  - name: 'ArduinoModbus'
+    url: https://www.arduino.cc/reference/en/libraries/arduinomodbus
 difficulty: intermediate
-tags: 
-  - Getting started
-  - Modbus RTU
+tags:
+  - Getting-started
+  - ModbusRTU
   - RS-485
-
 software:
   - ide-v1
   - ide-v2