add functionality to booking creation popup and integrate into page

[bcho892]

Add bookings functionality

Created to demo to client, still waiting on #380

fixed some small bugs in #380

[github-actions[bot]]

Visit the preview URL for this PR (updated for commit a0752f0):

https://uasc-ceebc--pr501-475-backend-add-func-c7qizcfn.web.app

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