As a developer, I would like to have an Acknowledgments section to the Momentors_Doc/docs

[esparr]

Acceptance Criteria:

• A section to the Momentor_Doc/docs called acknowledgements.md exists
• A list of current Maintainers with links to github profiles exists
• A list of contributors with links to github profiles exists
• A thank you to Momentum exists
• A thank you to our project mentors (people, companies, etc) exists
• Instructions for the first PR submitted from a contributor to include an addition to the list of contributors exists in the CONTRIBUTING.md file in both Front End and Back End projects