feat: Profile-saving feature

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Name	Status	Preview	Comments	Updated (UTC)
hackutd-24-site	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Sep 2, 2024 7:39pm

[uy-seng]

need to to hard refresh after updating the profile to see the changes, i think it would be a much more better experience to refresh the changes itself without user having to manually reload the page to reflect the changes.

https://github.com/user-attachments/assets/2c5e5e32-23db-4fb6-8f51-522b543c76f5

[uy-seng]

How many hackathons have you attended before? -> 0 value is not being saved

https://github.com/user-attachments/assets/569d9ffc-c717-4bab-b91b-4cb69980eaaf

[uy-seng]

unable to click "Save Profile" in the following section if we upload resume. we can click it if we only fill in the optional form.