Upload image component, so later event can have poster and user can change profile picture easily

[mhaidarhanif]

Feature request

Is the feature request related to a problem? Please describe

Currently the event has no custom image.

Describe the solution

Image upload using Uploadcare to handle everything for the custom image, uploader UI and backend service. So later event can have poster and user can change profile picture easily.

Describe alternatives considered

• Cloudinary, but too complicated
• ImageKit, but has no built-in uploader UI

Additional context

This comes from Uploadcare's file uploader component.

[mhaidarhanif]

I've made the upload image/file experiment first in Dogokit:

• https://dogokit.allnimal.com/examples/uploadcare
  • https://github.com/dogokit/dogokit-remix/blob/main/app/components/examples/uploadcare.tsx
  • https://github.com/dogokit/dogokit-remix/blob/main/app/components/libs/uploader-uploadcare.tsx

After that's done and quite stable, I'll copy it into BandungDev repo:

cc @bandungdevcom/website