update dev env settings for vscode

[CunliangGeng]

This PR makes it easier to setup the local development environment of vscode by taking advantage of vscode profile. By importing the specific profile, vscode will automatically download required extensions, apply relevant settings and snippets.

Major changes

• delete non-needed .editorconfig file
• delete non-needed settings.json file
• change folder name .vscode to vscode (.vsvode is reserved folder for vscode's setting file)
• add vscode profile for nplinker project
• update README.dev.md on setting vscode

[CunliangGeng]

• move dependencies to pyproject.toml file #233
• Add user tutorials  #231
• update dev env settings for vscode #230 👈
• dev

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[CunliangGeng]

Merge activity

• Mar 25, 10:38 AM EDT: @CunliangGeng started a stack merge that includes this pull request via Graphite.
• Mar 25, 10:40 AM EDT: @CunliangGeng merged this pull request with Graphite.