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/request/dist-src/with-defaults.js

@@ -0,0 +1,22 @@
+import fetchWrapper from "./fetch-wrapper";
+export default function withDefaults(oldEndpoint, newDefaults) {
+    const endpoint = oldEndpoint.defaults(newDefaults);
+    const newApi = function (route, parameters) {
+        const endpointOptions = endpoint.merge(route, parameters);
+        if (!endpointOptions.request || !endpointOptions.request.hook) {
+            return fetchWrapper(endpoint.parse(endpointOptions));
+        }
+        const request = (route, parameters) => {
+            return fetchWrapper(endpoint.parse(endpoint.merge(route, parameters)));
+        };
+        Object.assign(request, {
+            endpoint,
+            defaults: withDefaults.bind(null, endpoint)
+        });
+        return endpointOptions.request.hook(request, endpointOptions);
+    };
+    return Object.assign(newApi, {
+        endpoint,
+        defaults: withDefaults.bind(null, endpoint)
+    });
+}