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/plugins/log/index.js

@@ -0,0 +1,22 @@
+module.exports = octokitDebug
+
+function octokitDebug (octokit) {
+  octokit.hook.wrap('request', (request, options) => {
+    octokit.log.debug(`request`, options)
+    const start = Date.now()
+    const requestOptions = octokit.request.endpoint.parse(options)
+    const path = requestOptions.url.replace(options.baseUrl, '')
+
+    return request(options)
+
+      .then(response => {
+        octokit.log.info(`${requestOptions.method} ${path} - ${response.status} in ${Date.now() - start}ms`)
+        return response
+      })
+
+      .catch(error => {
+        octokit.log.info(`${requestOptions.method} ${path} - ${error.status} in ${Date.now() - start}ms`)
+        throw error
+      })
+  })
+}