Fix OpenAPI nit, add todo for generators.yml, show generators.yml file after fern add command

Author: devalog

fern/products/sdks/pages/typescript/quickstart.mdx

@@ -22,7 +22,7 @@ Generate a TypeScript SDK by following the instructions on this page.
 
   ### Initialize the Fern Folder
 
-  You can use either the Open API definition or Fern Definition to generate your SDK.
+  You can use either the OpenAPI definition or Fern Definition to generate your SDK.
 
   <AccordionGroup>
     <Accordion title="Option 1: OpenAPI">
@@ -34,13 +34,13 @@ Generate a TypeScript SDK by following the instructions on this page.
 
      <CodeBlocks>
 
-    <CodeBlock title="Spec stored locally">
+    <CodeBlock title="Local file">
       ```bash
       fern init --openapi path/to/openapi.yml
       ```
     </CodeBlock>
 
-    <CodeBlock title="Spec hosted on web">
+    <CodeBlock title="Web-hosted file">
       ```bash
       fern init --openapi https://api.example.com/openapi.yml
       ```
@@ -89,6 +89,9 @@ Generate a TypeScript SDK by following the instructions on this page.
       `imdb.yml` contains an example movies API.  If you’re just generating an SDK for test purposes, you can leave this file as it is. To generate an SDK for your own API instead of the example movies API, replace `imdb.yml` with your own endpoints, types, and errors before proceeding with the rest of this page. 
       </Note>
 
+      {/* TODO: show want generators.yml looks like, link out to configuration.md */}
+
+
     </Accordion>
   </AccordionGroup>
 
@@ -102,15 +105,28 @@ Generate a TypeScript SDK by following the instructions on this page.
     [supported extensions](/learn/api-definition/openapi/extensions).
   </Note>
 
-  ### Generate the SDK
+  ### Add the SDK generator
 
-  Add the TypeScript SDK using the following command:
+  Add the TypeScript SDK generator:
 
   ```bash
   fern add fern-typescript-node-sdk --group sdk
   ```
 
-  Then, generate the SDK:
+  This command adds the following to `generators.yml`:
+
+    ```yaml
+    sdk:
+    generators:
+      - name: fernapi/fern-typescript-node-sdk
+        version: 1.10.1
+        output:
+          location: local-file-system
+          path: ../sdks/typescript
+    ```
+  ### Generate the SDK
+
+  Generate the SDK:
 
   ```bash
   fern generate --group sdk