Add essentials

Author: marqdevx

content/hardware/04.pro/carriers/portenta-max-carrier/essentials.md

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+<EssentialsColumn title="First Steps">
+    <!---
+    <EssentialElement link="/tutorials/edge-control/ec-ard-gs" title="Quickstart Guide" type="getting-started">
+        A quick guide to installing your board with the Arduino IDE.
+    </EssentialElement>
+    -->
+</EssentialsColumn>
+
+<EssentialsColumn title="Suggested Libraries">
+    
+<EssentialElement link="https://www.arduino.cc/en/Reference/ArduinoBLE" title="Arduino BLE" type="library">
+        Bluetooth 4.0 includes both traditional Bluetooth, now labeled "Bluetooth Classic", and the Bluetooth Low Energy (Bluetooth LE, or BLE)     
+</EssentialElement>
+
+<EssentialElement link="https://github.com/arduino-libraries/Arduino_Pro_Tutorials" title="Arduino Pro Tutorials" type="library">
+        The complete Arduino sketches from the Pro tutorials.     
+</EssentialElement>
+
+</EssentialsColumn>
+
+<EssentialsColumn title="Arduino Basics">
+    <EssentialElement link="https://www.arduino.cc/en/Tutorial/BuiltInExamples" title="Built-in Examples" type="resource">
+        Built-in Examples are sketches included in the Arduino IDE and demonstrate all basic Arduino commands. 
+    </EssentialElement>
+    <EssentialElement link="/learn" title="Learn" type="resource">
+        Discover interesting articles, principles and techniques related to the Arduino ecosystem.
+    </EssentialElement>
+    <EssentialElement link="https://www.arduino.cc/reference/en/" title="Language Reference" type="resource">
+        Arduino programming language can be divided in three main parts: functions, values (variables and constants), and structure.
+    </EssentialElement>
+</EssentialsColumn>