(chore): Configurable deployment host / port; bind to all ifaces

package.json

@@ -12,8 +12,8 @@
     "build-dev": "npm run build:dev",
     "serve-dev": "npm run server:ssr",
     "build:dev": "ng build --output-path dist --deploy-url=/ --watch=true --poll=800",
-    "preserve:dev": "gulp build.sass --deploy-url=http://localhost:4200",
-    "serve:dev": "ng serve --deploy-url=/ --poll=800 --progress --proxy-config proxy.conf.json",
+    "preserve:dev": "npm run prebuild-dev -- --deploy-url=http://${HOST:-localhost}:${PORT:-4200}",
+    "serve:dev": "ng serve --deploy-url=/ --port ${PORT:-4200} --poll=800 --progress --proxy-config proxy.conf.json --host=0.0.0.0 --disableHostCheck=true",
     "serve:dev:hmr": "npm run serve:dev -- --configuration=hmr --hmr",
     "test": "ng test",
     "lint": "ng lint",