Small restructuring of the wiki as a test of having nicer navigation

wiki/pps_toc.md → wiki/README.md

-# Crazyflie PPS Wiki
-- [Setup](setup.md)
-- [Installation](installation.md)
+# Table of Content
+The wiki is split into the following sections
+- [Installation and Setup](install_and_setup/README.md)
 - [ROS structure](ros_structure.md)
 - [Workflow for students](workflow_for_students.md)
 - [FAQs](faq.md)

wiki/install_and_setup/README.md

+# Installation and Setup Table of Content
+This section of the wiki contains the following information:
+- [Setup](setup.md)
+- [Installation](installation.md)

wiki/setup.md → wiki/install_and_setup/setup.md

@@ -43,6 +43,7 @@ Click on *SET ORIGIN* and you're set.<br>
 
 ## Firmware and channel
 The firmware of a crazyflie is updated by the teacher. Additionally, the teacher can set the channel of the crazyflies to prevent interference.<br>
+
 ### Firmware
 Instructions for flashing the firmware with the Crazyflie client can be found either here:
 <br>
@@ -58,7 +59,7 @@ The compiled versions of the Crazyflie firmware that are compatible with the `D-
 If you have installed the Crazyflie Client properly, as described in the installation section, it can be started via a terminal window by typing `cfclient`.
 <br>
 <br>
-If flashing the firmware on the NRF bluetooth chip, then you must connect the Crazyflie to the computer using a USB cable. If you only need to flash the STM32 main processor chip, this can be done wirelessly and you need to specify the correct address in the Crazyflie Client prior to following the steps below, i.e., the 0xE7E7E7E701 type address.
+Flashing is done wirelessly over the CrazyRadio link, both for the STM32 main processor chip and the NRF bluetooth chip. You need to specify the correct address in the Crazyflie Client prior to following the steps below, i.e., the 0xE7E7E7E701 type address. For powering the Crazyflie during flashing, it is convenient to connect the Crazyflie to the computer using a USB cable.
 <br>
 <br>
 The steps to flash the crazyflie are: