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

src/services/webPlatformUtils.service.ts

@@ -253,7 +253,7 @@ export class WebPlatformUtilsService implements PlatformUtilsService {
     }
 
     isSelfHost(): boolean {
-        return process.env.SELF_HOST.toString() === 'true';
+        return process.env.ENV.toString() === 'selfhosted';
     }
 
     copyToClipboard(text: string, options?: any): void | boolean {