Set urls from config file (#1151)

* Set environment URLs in webpack config.

* Provide non NULL dev server

* QA env uses the pq TLD

* Include icons in qa env

* Move base configs to develop.

local configurations should be done in the `./config/local.json` file.

* Fix config override loading to default to development

* Standardize url formatting

* Limit QA settings to those set in production

* Set self hosted in a config

* Specify cloud instead of production

Self hosted and cloud are both production environments.
The ENV setting is used to specify the env type while
NODE_ENV specifies whether development error handling and services.

* Update config instructions

* Remove invalid json

* Change env `production` references to `cloud`

* Fix formatting

README.md

@@ -44,20 +44,23 @@ npm install
 ENV=production npm run build:watch
 ```
 
-You can also manually adjusting your API endpoint settings by adding `config/development.json` overriding any of the values in `config/base.json`. For example:
+You can also manually adjusting your API endpoint settings by adding `config/local.json` overriding any of the following values:
 
-```typescript
+```json
 {
     "proxyApi": "http://your-api-url",
     "proxyIdentity": "http://your-identity-url",
     "proxyEvents": "http://your-events-url",
     "proxyNotifications": "http://your-notifications-url",
     "proxyPortal": "http://your-portal-url",
-    "allowedHosts": ["hostnames-to-allow-in-webpack"]
+    "allowedHosts": ["hostnames-to-allow-in-webpack"],
+    "urls": {
+      
+    }
 }
 ```
 
-To pick up the overrides in the newly created `config/development.json` file, run the app with:
+Where the `urls` object is defined by the [Urls type in jslib](https://github.com/bitwarden/jslib/blob/master/common/src/abstractions/environment.service.ts). To pick up the overrides in the newly created `config/local.json` file, run the app with:
 
 ```
 npm run build:dev:watch