CT-656 Update CSP textual Documentation of the code COMMON (!62) · Merge requests · SKAO / ska-csp-lmc-common

Addressing comments from reviewers available on confluence: https://confluence.skatelescope.org/display/SE/CSP.LMC+Review+for+reintegration+into+Skampi
A documented API that ensures a client has all the necessary information to execute the control of CSP observations. (Citation from feature SP-2349)
README should contain links to relevant information (e.g. common documentation).
Take existing documentation from Confluence.

CT-656 Update CSP textual Documentation of the code COMMON