(WIP) feat: initial ui extension framework

[urmauur]

Describe Your Changes

UIManager class that manages different UI components, allowing registration and retrieval based on component type. The components are categorized by a UIComponent enum

• [X] RightPanelTabItem
• [X] InputChatBox

Example use on extension

• Add new tab for right panel tab component

import { UIManager } from '@janhq/core'

 UIManager.instance().register(UIComponent.RightPanelTabItem, {
      name: 'Name',
      value: 'value',
      render: this.createRootRenderer(ReactComponentView),
    })

Fixes Issues

• Closes #2718
• Closes #

Self Checklist

• [ ] Added relevant comments, esp in complex areas
• [ ] Updated docs (for bug fixes / features)
• [ ] Created issues for follow-up changes or refactoring needed