Document how to install Cyberduck and set up a connections for SCSB and Lib-sftp

[christinach]

Introduction

Document how to install Cyberduck and set up a connections for SCSB and Lisftp

Acceptance criteria

• Add a new markdown doc in the docs directory.

• It has introduction: Explains the goals and purpose of this documentation.

• It has a step by step guide: Provides the exact steps to guide the user on how to do a task.

• It includes connections in different environments (production, staging)