[PC-1395] Portenta Max Carrier User Manual (#1754)

* First commit

* Working on board architecture

* Board architecture finished

* Downloadable resources added

* First Use development

* Peripheral examples

* Ethernet section example

* Ethernet section finished

* Typos fixed

* Typos fix

* DIP switch section

* LoRa section started

* MicroSD section started

* Micro SD Section completed

* JTAG Interface

* LoRa Image Replace

* CAN bus section advanced

* Images change

* Typos fix

* USB section added and pinout update

* Nesting fixes

* Minor patch

* RS-485 section H7 Complete

* Format fix

* RS section advanced

* LoRa section finished

* CAN section done

* User Manual structure update

* User Manual Update

* CAN Enable clarify

* RS communication Linux

* Audio section almost finished

* Typos fix

* Audio section finished

* LTE Section advanced and RS

* RS section advanced

* User Manual finished

* Marta review some commits

* Marta review some commits 2

* Every render modified

* Marta review some commits 3

* CAN X8 section updated

* Final commits Marta review

* Not used assets deleted

* Hello World added

* Julian review updates made

* Product page button update

* Product page button update

* Product page button update

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Co-authored-by: Christopher Mendez <mcmchris@hotmail.com>
Co-authored-by: Julián Caro Linares <jcarolinares@gmail.com>

Author: 3 people