add bootstrap/scss to angular 9 code example
Example 1: bootstrap 4 scss angular 8
# angular.json
{
......
"projects": {
"my-app": {
......
"architect": {
"build": {
"options": {
"styles": [
"src/styles.scss",
"node_modules/bootstrap/scss/bootstrap.scss"
Example 2: bootstrap 4 scss angular 8
$ npm install bootstrap --save