Create examples.md

[sophieaujard-DBT]

Moved the examples document from the specification to the GitHub.

Description

Please include a summary of the changes and the related issue including relevant motivation and context. Please also include a link to the corresponding JIRA ticket this merge request addresses.

Contributors

Let's acknowledge the people who contributed to the work.

Type of change

• Refactoring (made code better without changing its behaviour)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

How this has been tested

Please describe the tests that you ran to verify your changes.

If they are not automated tests please explain why and provide screenshots and/or instructions so they can reproduced.

Checklist

• I have performed a self-review of my code
• I have commented my code in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings

Reviewer Checklist

• I have reviewed the PR and ensured no secret values are present