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/btoa-lite/package.json

@@ -0,0 +1,66 @@
+{
+  "_from": "btoa-lite@^1.0.0",
+  "_id": "btoa-lite@1.0.0",
+  "_inBundle": false,
+  "_integrity": "sha1-M3dm2hWAEhD92VbCLpxokaudAzc=",
+  "_location": "/btoa-lite",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "btoa-lite@^1.0.0",
+    "name": "btoa-lite",
+    "escapedName": "btoa-lite",
+    "rawSpec": "^1.0.0",
+    "saveSpec": null,
+    "fetchSpec": "^1.0.0"
+  },
+  "_requiredBy": [
+    "/@octokit/rest"
+  ],
+  "_resolved": "https://registry.npmjs.org/btoa-lite/-/btoa-lite-1.0.0.tgz",
+  "_shasum": "337766da15801210fdd956c22e9c6891ab9d0337",
+  "_spec": "btoa-lite@^1.0.0",
+  "_where": "C:\\Users\\Administrator\\Documents\\setup-node\\node_modules\\@octokit\\rest",
+  "author": {
+    "name": "Hugh Kennedy",
+    "email": "hughskennedy@gmail.com",
+    "url": "http://hughsk.io/"
+  },
+  "browser": "btoa-browser.js",
+  "bugs": {
+    "url": "https://github.com/hughsk/btoa-lite/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {},
+  "deprecated": false,
+  "description": "Smallest/simplest possible means of using btoa with both Node and browserify",
+  "devDependencies": {
+    "browserify": "^10.2.4",
+    "smokestack": "^3.3.0",
+    "tap-spec": "^4.0.0",
+    "tape": "^4.0.0"
+  },
+  "homepage": "https://github.com/hughsk/btoa-lite",
+  "keywords": [
+    "btoa",
+    "base64",
+    "isomorphic",
+    "browser",
+    "node",
+    "shared"
+  ],
+  "license": "MIT",
+  "main": "btoa-node.js",
+  "name": "btoa-lite",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/hughsk/btoa-lite.git"
+  },
+  "scripts": {
+    "test": "npm run test-node && npm run test-browser",
+    "test-browser": "browserify test | smokestack | tap-spec",
+    "test-node": "node test | tap-spec"
+  },
+  "version": "1.0.0"
+}