DOC: Essential initial camera configuration procedure

[jeremy-taylor]

Currently some of the initial camera configuration procedure is described in a YouTube video https://youtu.be/N2sq1hBwcAA

transfer essential details into Wiki page for camera assembly and setup

Note that changes are afoot to remove dependence on CMS software by using configuration scripts - document the current best practise

[jeremy-taylor]

See also comments from David B: https://groups.io/g/globalmeteornetwork/message/3799 and Mark MacIntyre https://groups.io/g/globalmeteornetwork/message/3800

[jeremy-taylor]

Make sure you edit the device line in the config file as per the RPi4 note.txt file https://groups.io/g/globalmeteornetwork/message/3771

[jeremy-taylor]

cam params scripts: https://groups.io/g/globalmeteornetwork/message/3643

[markmac99]

This has all been done now