Credentials: Support Anthropic API key #994

Is your feature request related to a problem?
The credentials section in the frontend currently does not allow users to add the Anthropic API key from the Kaapi console. This limitation hinders users from utilizing the Anthropic API effectively.

Describe the solution you'd like

• Enable users to add the Anthropic API key in the credentials section from the Kaapi console.

Original issue

Currently frontend in credentials sections doesn't show the anthropic api key to add from the kaapi console. allow the users to add the anthropic api key from the kaapi console in credentials section