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/graphql/lib/graphql.js

@@ -0,0 +1,36 @@
+module.exports = graphql
+
+const GraphqlError = require('./error')
+
+const NON_VARIABLE_OPTIONS = ['method', 'baseUrl', 'url', 'headers', 'request', 'query']
+
+function graphql (request, query, options) {
+  if (typeof query === 'string') {
+    options = Object.assign({ query }, options)
+  } else {
+    options = query
+  }
+
+  const requestOptions = Object.keys(options).reduce((result, key) => {
+    if (NON_VARIABLE_OPTIONS.includes(key)) {
+      result[key] = options[key]
+      return result
+    }
+
+    if (!result.variables) {
+      result.variables = {}
+    }
+
+    result.variables[key] = options[key]
+    return result
+  }, {})
+
+  return request(requestOptions)
+    .then(response => {
+      if (response.data.errors) {
+        throw new GraphqlError(requestOptions, response)
+      }
+
+      return response.data.data
+    })
+}