A small action to upload assets to Cloudflare's R2 bucket.
account_id
- The account ID of the Cloudflare account to upload to.
access_key_id
- The access key ID for the Cloudflare API Token.
secret_access_key
- The access key secret for the Cloudflare API Token.
bucket
- The name of the bucket to upload to.
source_dir
- The directory to upload.
destination_dir
- The directory to upload to. Defaults to the root of the bucket.