Add Basic Commands of Node Package Manager

[crescentpartha]

Descriptions

Add Basic Commands of Node Package Manager in npm-cheatsheet.md file

Expected behavior

Enrich the npm-cheatsheet.md file by adding more frequently used NPM Commands.

Screenshots or Links

If applicable, add screenshots or a modified UI link to help explain your contribution.

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Please, fill free to contribute to this project. Anyone including newcomers can make a contribution to this repo by adding basic Commands or Keyboard Shortcuts or tags, attributes, and properties and take a part in an open-source project. Please, give a star to support this project.

[Swethaa-Ravi]

@crescentpartha Could you please assign this issue to me

[sauravraw]

done accept pr :) https://github.com/crescentpartha/CheatSheets-for-Developers/pull/15

[TenzinNsut]

I would like to contribute to npm cheatsheet

[crescentpartha]

Please, directly create a pull request. @Swethaa-Ravi @TenzinNsut