fix(demo): fix demo build

Author: denStrigo

package.json

@@ -15,9 +15,9 @@
     "gulp": "gulp",
     "conventional-changelog": "conventional-changelog",
     "start": "ng serve",
-    "build": "ng build",
+    "build": "ng build ngx-admin-demo",
     "build:prod": "npm run build -- --configuration production --aot",
-    "build:demo:prod": "npm run build -- --prod --aot --base-href /ngx-admin/",
+    "build:demo:prod": "npm run build -- --configuration production --aot --base-href /ngx-admin/",
     "test": "ng test",
     "test:coverage": "rimraf coverage && npm run test -- --code-coverage",
     "lint": "ng lint",
@@ -28,7 +28,7 @@
     "e2e": "ng e2e",
     "docs": "compodoc -p src/tsconfig.app.json -d docs",
     "docs:dirs": "gulp create-docs-dirs",
-    "docs:prod": "npm run build -- docs --configuration production --aot --aot --base-href /ngx-admin/",
+    "docs:prod": "npm run build -- docs --configuration production --aot --base-href /ngx-admin/",
     "docs:build": "npm-run-all docs:prod docs:dirs",
     "docs:serve": "npm start -- docs --port 4100",
     "docs:gh-pages": "ts-node -P ./scripts/docs/tsconfig.json ./scripts/docs/build-docs.ts",