Add auth support (#21)

* Updates

* Update

* Update

* Update

* Update

* Yarn sometimes prefers npmrc, so use same token

* Description

* Update readme

* Feedback

* Add type

* new toolkit and scoped registries

* npmrc in RUNNER_TEMP

* Dont always auth

* Try exporting blank token

* Get auth working for now pending runner changes

* Fix string interpolation for auth token.

* Don't export both userconfigs

* Update authutil.js

* Add single quotes for authString

* Fix the registry string.

* Use userconfig and append trailing slash

* Keep in root of repo

* Try just adding auth token

* Remove auth token

* Try changes again

* Add tests

* Npm and GPR samples

* Add types

node_modules/@octokit/rest/lib/constructor.js

@@ -0,0 +1,26 @@
+module.exports = Octokit
+
+const { request } = require('@octokit/request')
+const Hook = require('before-after-hook')
+
+const parseClientOptions = require('./parse-client-options')
+
+function Octokit (plugins, options) {
+  options = options || {}
+  const hook = new Hook.Collection()
+  const log = Object.assign({
+    debug: () => {},
+    info: () => {},
+    warn: console.warn,
+    error: console.error
+  }, options && options.log)
+  const api = {
+    hook,
+    log,
+    request: request.defaults(parseClientOptions(options, log, hook))
+  }
+
+  plugins.forEach(pluginFunction => pluginFunction(api, options))
+
+  return api
+}