Create a signed upload URL that can be used to upload files to a bucket.
buckets table permissions: noneobjects table permissions: insertlet signedUploadUrl = try await supabase.storage
.from("avatars")
.createSignedUploadURL(path: "folder/avatar1.png")
let signedUploadUrl = try await supabase.storage
.from("avatars")
.createSignedUploadURL(
path: "folder/avatar1.png",
options: CreateSignedUploadURLOptions(
upsert: true
)
)