Todo list

• Optimise with memo, callbacks, refactoring AppContext
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• useFetch
• Ensure message loaders (moved from p to span) don't load on same line
• Check why setTimeout is called in 1001 secs on FAB (check unit test)
• Prevent call being made in ChatWindow test that renders App
• Reduce image size/increase performance (dev env) from lighthouse report: https://gist.github.com/crevulus/85bec5d1789f08f677d5746cc518b807
• Set up two pipelines: Heroku for dev and GCP for prod