README "Deploy to IBM Cloud" Section

[bradley-holt]

Using the README template for reference, change the following in the "Deploy to IBM Cloud" section of the README:

• Change the "Deploy to IBM Cloud" button source URL.
• Change the "Deploy to IBM Cloud" button link URL.
• Update the app name.
• Update the prefix name.
• Document the service(s) created by the deployment.
• Test the "Deploy to IBM Cloud" button to ensure it works as expected.