[API Design Assistant][Feature][4.5.0] Add API Design Assistant UI with chat interface for Publisher Portal

[KamalikaSene]

Purpose

Implements API Design Assistant UI for Publisher Portal.
Fixes wso2/api-manager#3564

Description

This PR introduces the API Design Assistant UI for the Publisher Portal, including the following features:

Chat Interface for Assistant Interaction

• Allows users to interact with the AI assistant for API design guidance.
  
  
  
  

Swagger UI to Display API Resources

• Provides a visual representation of the API resources through Swagger UI.
  
  
  

Code Panel for Viewing API Specification

• Displays the API specification in a code view for easy reference.
  
  
  

Suggestions for QoS and Security Configurations

• Offers recommendations for Quality of Service (QoS) and security settings.
  
  
  

Dropdown for Quick Resource Modifications

• Enables fast modifications to individual API resources via a dropdown menu.
  
  
  

Button to Create APIs in the Publisher Portal

• A button to directly create APIs within the Publisher Portal interface.
  

[CLAassistant]

All committers have signed the CLA.

[sonarqubecloud]

Quality Gate failed

Failed conditions
1 Security Hotspot
19.4% Duplication on New Code (required ≤ 3%)
C Reliability Rating on New Code (required ≥ A)

See analysis details on SonarQube Cloud

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