moving back to older node-fetch to fix error

[upkarlidder]

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Summary of changes with this PR:

• [ ] Updating node version to satisfy package.json
• [ ] moving back node-fetch to 2.x, using relative paths in React.js to work with ingress
• [ ] fixing map bug in dashboard
• [ ] enabling flask logs
• [ ] adding nginx conf file
• [ ] updating websocket URL.

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