Frontend Cleanup

[noklam]

This extension consists of 72251 files, out of which 57681 are JavaScript files. For performance reasons, you should bundle your extension: https://aka.ms/vscode-bundle-extension . You should also exclude unnecessary files by adding them to your .vscodeignore: https://aka.ms/vscode-vscodeignore
DONE Packaged: /Users/Nok_Lam_Chan/dev/vscode-kedro/Kedro-0.1.1.vsix (72251 files, 156.33MB)

I do notice the build time is slower and not sure if it is an issue. Most of the change are just moving things around and refactor.