Added new and updated content in existing legal docs as per requirements from Octopus

Removed email link to test build

Fixed link

Added two PDFs, missing links, and updated nav files

Added banner to legacy terms of service and entry to nav yaml

Content edits and fixes

Added table with the four stages

Added icons for each section in terms of service

Removed pic and added table

Fixed alignment of images in table

Removed Octopus Customer Agreement as it's included in Terms of Service

Added full story statement to privacy policy and changed sales email to codefresh.io