Extend current Getting started guide

[davidmirror-ops]

Describe the problem/challenge you have [A description of the current limitation/problem/challenge that you are experiencing.]

Current Getting started guide for the project covers only the installation of Octant

Describe the solution you'd like [A clear and concise description of what you want to happen.]

A guide that goes beyond mere installation and includes configuration and basic troubleshooting steps for common issues that may arise during install/configure stages

Anything else you would like to add: [Miscellaneous information that will assist in solving the issue.]

Environment:

• Octant version (use octant version):
• Kubernetes version (use kubectl version):
• OS (macOS 10.15, Windows 10, Ubuntu 19.10 etc):