fix(w3up-client): create space options (#113)

The `options` field should be optional, and if not set, we still want to
grant access to Storacha Gateway to serve the content of the space.

packages/w3up-client/src/client.js

@@ -266,14 +266,14 @@ export class Client extends Base {
    * @property {boolean} [skipGatewayAuthorization] - Whether to skip the Gateway authorization. It means that the content of the space will not be served by any Gateway.
    *
    * @param {string} name - The name of the space to create.
-   * @param {SpaceCreateOptions} options - Options for the space creation.
+   * @param {SpaceCreateOptions} [options] - Options for the space creation.
    * @returns {Promise<import("./space.js").OwnedSpace>} The created space owned by the agent.
    */
   async createSpace(name, options) {
     // Save the space to authorize the client to use the space
     const space = await this._agent.createSpace(name)
 
-    const account = options.account
+    const account = options?.account
     if (account) {
       // Provision the account with the space
       const provisionResult = await account.provision(space.did())
@@ -305,8 +305,8 @@ export class Client extends Base {
     }
 
     // Authorize the listed Gateway Services to serve content from the created space
-    if (options.skipGatewayAuthorization !== true) {
-      let authorizeGatewayServices = options.authorizeGatewayServices
+    if (!options || options.skipGatewayAuthorization !== true) {
+      let authorizeGatewayServices = options?.authorizeGatewayServices
       if (!authorizeGatewayServices || authorizeGatewayServices.length === 0) {
         // If no Gateway Services are provided, authorize the Storacha Gateway Service
         authorizeGatewayServices = [