Update cheatsheets

npm

@@ -0,0 +1,42 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# npm
+
+> JavaScript and Node.js package manager.
+> Manage Node.js projects and their module dependencies.
+> More information: <https://www.npmjs.com>.
+
+- Interactively create a `package.json` file:
+
+`npm init`
+
+- Download all the packages listed as dependencies in `package.json`:
+
+`npm install`
+
+- Download a specific version of a package and add it to the list of dependencies in `package.json`:
+
+`npm install {{package_name}}@{{version}}`
+
+- Download the latest version of a package and add it to the list of dev dependencies in `package.json`:
+
+`npm install {{package_name}} --save-dev`
+
+- Download the latest version of a package and install it globally:
+
+`npm install --global {{package_name}}`
+
+- Uninstall a package and remove it from the list of dependencies in `package.json`:
+
+`npm uninstall {{package_name}}`
+
+- List of locally installed dependencies:
+
+`npm list`
+
+- List top-level globally installed packages:
+
+`npm list --global --depth={{0}}`