docs: Docs update (#396)

* Removed Kpt and OCI deployment instructions for streamlining and adjusted Table of contents

* added more details around some commands

* fixed broken link and quote block

* fixed broken link and quote block, saved

* updated links and fix trailing errors

* moved to spaces from tabs in list

* fixed typo, and ran markdown all in one to regenerate table of contents

* added note on credential access and extra detail on yakima account generation

* added note on CC provisioning time

* added mkdir command

* added codesnippet type

* removed comment block

* fixed typo

* removed duplicate TOC