poc adding map to linkfree - do not merge

[amandamartin-dev]

This is a POC to test and idea to be able to see the locations of linkfree users. So far added the following: react-leaflet leaflet simple map component map page

Fixes Issue

Changes proposed

Check List (Check all the applicable boxes)

• [ ] My code follows the code style of this project.
• [ ] My change requires changes to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] All new and existing tests passed.
• [ ] This PR does not contain plagiarized content.
• [ ] The title of my pull request is a short description of the requested changes.

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Note to reviewers