DOC-1077: Update Bubble credentials to medium tier template (n8n-io#2433)

Author: freakwriter

docs/integrations/builtin/credentials/bubble.md

@@ -12,13 +12,8 @@ You can use these credentials to authenticate the following nodes:
 
 - [Bubble](/integrations/builtin/app-nodes/n8n-nodes-base.bubble/)
 
-## Prerequisites
-
-- Create a [Bubble](https://bubble.io){:target=_blank .external-link} account.
-- [Create an app](https://manual.bubble.io/help-guides/getting-started/creating-and-managing-apps#creating-apps){:target=_blank .external-link} within that account.
-
-/// note | Bubble plans
-You need a Starter plan or higher to access the Bubble API.
+/// note | API access
+You need a paid plan to access the Bubble APIs.
 ///
 
 ## Supported authentication methods
@@ -31,12 +26,32 @@ Refer to [Bubble's API documentation](https://manual.bubble.io/help-guides/integ
 
 ## Using API key
 
-To configure this credential, you'll need:
-
-- An **API Token**: Refer to the [Bubble Authentication documentation](https://manual.bubble.io/core-resources/api/the-bubble-api/the-data-api/authentication){:target=_blank .external-link} for instructions on creating a new API token.
-- An **App Name**: The name of the app you created the API token for.
-- The **Environment**: Choose between **Live** or **Development**. Select the environment that makes sense for your app.
-- The **Hosting**:
-    - **Bubble Hosting**: Choose this option if you haven't set up a custom domain
-    - **Self Hosting**: Choose this option if you've set up a [custom domain](https://manual.bubble.io/help-guides/design/elements/the-page#custom-domain-1){:target=_blank .external-link} in Bubble. Add the **Domain**.
-
+To configure this credential, you'll need a paid [Bubble](https://bubble.io){:target=_blank .external-link} account and:
+
+- An **API Token**
+- An **App Name**
+- Your **Domain**, if you're using a custom domain
+
+To set it up, you'll need to create an app:
+
+1. Go to the [**Apps**](https://bubble.io/home/apps){:target=_blank .external-link} page in Bubble.
+1. Select **Create an app**.
+1. Enter a **Name** for your app, like `n8n-integration`.
+1. Select **Get started**. The app's details open.
+1. In the left navigation, select **Settings** (the gear cog icon).
+1. Select the **API** tab.
+1. In the **Public API Endpoints** section, check the box to **Enable Data API**.
+1. The page displays the **Data API root URL**, for example: `https://n8n-integration.bubbleapps.io/version-test/api/1.1/obj`.
+1. Copy the part of the URL after `https://` and before `.bubbleapps.io` and enter it in n8n as the **App Name**. In the above example, you'd enter `n8n-integration`.
+1. Select **Generate a new API token**.
+8. Enter an **API Token Label**, like `n8n integration`.
+1. Copy the **Private key** and enter it as the **API Token** in your n8n credential.
+    - Refer to [Data API | Authentication](https://manual.bubble.io/core-resources/api/the-bubble-api/the-data-api/authentication){:target=_blank .external-link} for more information on generating API tokens.
+1. In n8n, select the **Environment** that best matches your app:
+    - Select **Development** for an app that you haven't deployed, accessed at `https://appname.bubbleapps.io/version-test` or `https://www.mydomain.com/version-test`.
+    - Select **Live** for an app that you've [deployed](https://manual.bubble.io/help-guides/getting-started/navigating-the-bubble-editor/deploying-your-app){:target=_blank .external-link}, accessed at `https://appname.bubbleapps.io` or `https://www.mydomain.com`.
+1. In n8n, select your **Hosting**:
+    - If you haven't set up a custom domain, select **Bubble Hosting**.
+    - If you've set up a [custom domain](https://manual.bubble.io/help-guides/getting-started/navigating-the-bubble-editor/tabs-and-sections/settings-tab/custom-domain-and-dns){:target=_blank .external-link}, select **Self Hosted** and enter your custom **Domain**.
+
+Refer to Bubble's [Creating and managing apps](https://manual.bubble.io/help-guides/getting-started/creating-and-managing-apps){:target=_blank .external-link} documentation for more information.