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/os-name/package.json

@@ -0,0 +1,80 @@
+{
+  "_from": "os-name@^3.0.0",
+  "_id": "os-name@3.1.0",
+  "_inBundle": false,
+  "_integrity": "sha512-h8L+8aNjNcMpo/mAIBPn5PXCM16iyPGjHNWo6U1YO8sJTMHtEtyczI6QJnLoplswm6goopQkqc7OAnjhWcugVg==",
+  "_location": "/os-name",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "os-name@^3.0.0",
+    "name": "os-name",
+    "escapedName": "os-name",
+    "rawSpec": "^3.0.0",
+    "saveSpec": null,
+    "fetchSpec": "^3.0.0"
+  },
+  "_requiredBy": [
+    "/@octokit/endpoint/universal-user-agent",
+    "/@octokit/request/universal-user-agent",
+    "/@octokit/rest/universal-user-agent",
+    "/universal-user-agent"
+  ],
+  "_resolved": "https://registry.npmjs.org/os-name/-/os-name-3.1.0.tgz",
+  "_shasum": "dec19d966296e1cd62d701a5a66ee1ddeae70801",
+  "_spec": "os-name@^3.0.0",
+  "_where": "C:\\Users\\Administrator\\Documents\\setup-node\\node_modules\\@octokit\\endpoint\\node_modules\\universal-user-agent",
+  "author": {
+    "name": "Sindre Sorhus",
+    "email": "sindresorhus@gmail.com",
+    "url": "sindresorhus.com"
+  },
+  "bugs": {
+    "url": "https://github.com/sindresorhus/os-name/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "macos-release": "^2.2.0",
+    "windows-release": "^3.1.0"
+  },
+  "deprecated": false,
+  "description": "Get the name of the current operating system. Example: macOS Sierra",
+  "devDependencies": {
+    "@types/node": "^11.13.0",
+    "ava": "^1.4.1",
+    "tsd": "^0.7.2",
+    "xo": "^0.24.0"
+  },
+  "engines": {
+    "node": ">=6"
+  },
+  "files": [
+    "index.js",
+    "index.d.ts"
+  ],
+  "homepage": "https://github.com/sindresorhus/os-name#readme",
+  "keywords": [
+    "os",
+    "operating",
+    "system",
+    "platform",
+    "name",
+    "title",
+    "release",
+    "version",
+    "macos",
+    "windows",
+    "linux"
+  ],
+  "license": "MIT",
+  "name": "os-name",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/sindresorhus/os-name.git"
+  },
+  "scripts": {
+    "test": "xo && ava && tsd"
+  },
+  "version": "3.1.0"
+}