Introduce Kedro viz in VSCode Extension

[jitu5]

Description

This PR focus on integrating Kedro Viz into VSCode extension with help of Webview API by VSCode.

How to use

• Open command palette and type "Run Kedro Viz" and hit enter
• Clicks on any node from flowchart to navigates to relevant file

Development Notes

Architecture

• Webview API is used to render Wrapper React App
• Wrapper React App is used to render Kedro Viz React Component
• postMessage API is used to communicate between Extension and Webview
• For file navigation we use combination of existing LSP server and new ts code is used
• For now, to get Kedro project JSON data we use child_process's exec to run kedro server

Note: TODO:

• Kedro viz server process not getting killed on deactivate
• Figure out on autoreload
• Some more cleanup

User flow

Demo