DOC-1079: Update Jotform credentials to medium tier template (n8n-io#2435)

Author: freakwriter

docs/integrations/builtin/credentials/jotform.md

@@ -12,10 +12,6 @@ You can use these credentials to authenticate the following nodes:
 
 - [JotForm Trigger](/integrations/builtin/trigger-nodes/n8n-nodes-base.jotformtrigger/)
 
-## Prerequisites
-
-Create a [JotForm](https://www.jotform.com/){:target=_blank .external-link} account.
-
 ## Supported authentication methods
 
 - API key
@@ -26,11 +22,20 @@ Refer to [JotForm's API documentation](https://api.jotform.com/docs/){:target=_b
 
 ## Using API key
 
-To configure this credential, you'll need:
+To configure this credential, you'll need a [JotForm](https://www.jotform.com/){:target=_blank .external-link} account and:
+
+- An **API Key**
+- The **API Domain**
+
+To set it up:
 
-- An **API Key**: Get an API key from the [API section](https://www.jotform.com/myaccount/api){:target=_blank .external-link} of **My Account**. Refer to [Jotform API Getting Started](https://api.jotform.com/docs/#gettingstarted) for detailed instructions.
-- The **API Domain**: This determines which base URL is used for the API. The domain selected needs to match the forms you're working with. Options include:
-    - `api.jotform.com`: The default base URL.
-    - `eu-api.jotform.com`: Used by Jotform [EU Safe Forms](https://www.jotform.com/eu-safe-forms/){:target=_blank .external-link}.
-    - `hipaa-api.jotform.com`: Used by JotForm [HIPAA forms](https://www.jotform.com/hipaa/){:target=_blank .external-link}.
+1. Go to **Settings >** [**API**](https://www.jotform.com/myaccount/api){:target=_blank .external-link}.
+2. Select **Create New Key**.
+3. Select the **Name** in JotForm to update the API key name to something meaningful, like `n8n integration`.
+4. Copy the **API Key** and enter it in your n8n credential.
+5. In n8n, select the **API Domain** that applies to you based on the forms you're using:
+    - **api.jotform.com**: Use this unless the other form types apply to you.
+    - **eu-api.jotform.com**: Select this if you're using JotForm [EU Safe Forms](https://www.jotform.com/eu-safe-forms/){:target=_blank .external-link}.
+    - **hipaa-api.jotform.com**: Select this if you're using JotForm [HIPAA forms](https://www.jotform.com/hipaa/){:target=_blank .external-link}.
 
+Refer to the [JotForm API documentation](https://api.jotform.com/docs/) for more information on creating keys and API domains.