FAQ and Common Issues Docs

[thmhoag]

Description of Issue

Need to improve documentation around image/container setup and maintenance. Could be added as wiki docs to the repo.

See list below for some examples of content that might fit.

Additional Information

Issue #23 - Steam Update Error crash Issue #3, #15 - Arkmanager Port Setting

[catzoo]

I recommend adding how am_ark_Port works. Since it will subtract it by one. Ex: to set it for 7777-7778 am_ark_Port would be set to 7778.

#3 #15 also this issue on arkmanager #887

[Gornoka]

added docker compose and docs for it in #39 if this is desired i can add more docs regarding that later