Self-hosted SB magic link login with SMTP

    func sendMagicLink(email: String) async throws {
        let url = "\(supabaseURL)/auth/v1/otp"

        struct Body: Content {...}

        let response = try await client.post(URI(string: url)) { req in
            req.headers.add(name: "Authorization", value: "Bearer \(serviceRoleKey)")
            req.headers.add(name: "apikey", value: serviceRoleKey)
            req.headers.contentType = .json
            try req.content.encode(Body(email: email, create_user: true))
        }

        try SupabaseError.throwIfError(response)
    }

    auth.post("magic-link") { req async throws -> HTTPStatus in
        *call sendMagicLink function*
    }