update packages to latest version

node_modules/npm/doc/cli/npm-adduser.md

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+npm-adduser(1) -- Add a registry user account
+=============================================
+
+## SYNOPSIS
+
+    npm adduser [--registry=url] [--scope=@orgname] [--always-auth]
+
+    aliases: login, add-user
+
+## DESCRIPTION
+
+Create or verify a user named `<username>` in the specified registry, and
+save the credentials to the `.npmrc` file. If no registry is specified,
+the default registry will be used (see `npm-config(7)`).
+
+The username, password, and email are read in from prompts.
+
+To reset your password, go to <https://www.npmjs.com/forgot>
+
+To change your email address, go to <https://www.npmjs.com/email-edit>
+
+You may use this command multiple times with the same user account to
+authorize on a new machine.  When authenticating on a new machine,
+the username, password and email address must all match with
+your existing record.
+
+`npm login` is an alias to `adduser` and behaves exactly the same way.
+
+## CONFIGURATION
+
+### registry
+
+Default: https://registry.npmjs.org/
+
+The base URL of the npm package registry. If `scope` is also specified,
+this registry will only be used for packages with that scope. See `npm-scope(7)`.
+
+### scope
+
+Default: none
+
+If specified, the user and login credentials given will be associated
+with the specified scope. See `npm-scope(7)`. You can use both at the same time,
+e.g.
+
+    npm adduser --registry=http://myregistry.example.com --scope=@myco
+
+This will set a registry for the given scope and login or create a user for
+that registry at the same time.
+
+### always-auth
+
+Default: false
+
+If specified, save configuration indicating that all requests to the given
+registry should include authorization information. Useful for private
+registries. Can be used with `--registry` and / or `--scope`, e.g.
+
+    npm adduser --registry=http://private-registry.example.com --always-auth
+
+This will ensure that all requests to that registry (including for tarballs)
+include an authorization header. This setting may be necessary for use with
+private registries where metadata and package tarballs are stored on hosts with
+different hostnames. See `always-auth` in `npm-config(7)` for more details on
+always-auth. Registry-specific configuration of `always-auth` takes precedence
+over any global configuration.
+
+## SEE ALSO
+
+* npm-registry(7)
+* npm-config(1)
+* npm-config(7)
+* npmrc(5)
+* npm-owner(1)
+* npm-whoami(1)