update packages to latest version

node_modules/npm/doc/api/npm-init.md

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+npm init(3) -- Interactively create a package.json file
+=======================================================
+
+## SYNOPSIS
+
+    npm.commands.init(args, callback)
+
+## DESCRIPTION
+
+This will ask you a bunch of questions, and then write a package.json for you.
+
+It attempts to make reasonable guesses about what you want things to be set to,
+and then writes a package.json file with the options you've selected.
+
+If you already have a package.json file, it'll read that first, and default to
+the options in there.
+
+It is strictly additive, so it does not delete options from your package.json
+without a really good reason to do so.
+
+Since this function expects to be run on the command-line, it doesn't work very
+well as a programmatically. The best option is to roll your own, and since
+JavaScript makes it stupid simple to output formatted JSON, that is the
+preferred method. If you're sure you want to handle command-line prompting,
+then go ahead and use this programmatically.
+
+## SEE ALSO
+
+package.json(5)