refactor: move demo-app into new CLI structure

Author: CaerusKaru

package-lock.json

@@ -17,12 +17,14 @@
   "scripts": {
     "ng": "ng",
     "start": "ng serve",
-    "build": "ng build",
+    "build": "ng build @angular/flex-layout",
+    "demo:serve": "ng serve demo-app",
     "stamp": "ts-node tools/package-tools/version-placeholders.ts --module=commonjs",
     "build:universal-demo-app": "ng run universal-demo-app:build:production && ng run universal-demo-app:server",
     "test": "ng test @angular/flex-layout",
     "test:ssr": "webpack --config test/webpack-spec-ssr-bundle.js && jasmine --config=test/jasmine-ssr.json",
-    "lint": "stylelint projects/libs/**/*.scss --config=stylelint-config.json && tslint --project ./tsconfig.json --config tslint.json"
+    "lint": "stylelint projects/libs/**/*.scss --config=stylelint-config.json && tslint --project ./tsconfig.json --config tslint.json",
+    "release": "yarn build && yarn stamp"
   },
   "private": true,
   "requiredAngularVersion": "^13.0.0",
@@ -36,6 +38,7 @@
     "@angular/platform-browser": "~13.0.0",
     "@angular/platform-browser-dynamic": "~13.0.0",
     "@angular/platform-server": "~13.0.0",
+    "@angular/router": "~13.0.0",
     "@nguniversal/express-engine": "^13.0.1",
     "@types/express": "^4.17.13",
     "express": "^4.17.1",
@@ -64,6 +67,7 @@
     "karma-sauce-launcher": "^2.0.2",
     "minimatch": "^3.0.4",
     "ng-packagr": "^13.0.0",
+    "postcss": "^8.3.3",
     "postcss-scss": "^4.0.2",
     "protractor": "^7.0.0",
     "stylelint": "^14.1.0",