github & git documents

[SurfingNerd]

What type of PR is this? (check all applicable)

 * [ ]  Refactor
 * [ ]  Feature
 * [ ]  Bug Fix
 * [ ]  Optimization
 * [x]  Documentation Update

Description

Added docs to configure this repo:

 * code of conduct
 * list of codeowners
 * template for pull requests
 * LICENSE

Related Tickets & Documents

NA

QA Instructions

Check the following files exist, are accessible, and make sense:

LICENSE
CODE_OF_CONDUCT.md
.github/PULL_REQUEST_TEMPLATE/pull_request_template.md
.github/CODEOWNERS

[optional] Are there any post deployment tasks we need to perform?