Update to Angular v12

APM-Final/.gitignore

APM-Final/README.md

APM-Final/angular.json

APM-Final/e2e/protractor.conf.js

APM-Final/e2e/src/app.e2e-spec.ts

APM-Final/e2e/src/app.po.ts

APM-Final/e2e/tsconfig.json

APM-Final/package-lock.json

APM-Final/package.json

APM-Final/src/app/app.component.spec.ts

APM-Final/src/app/products/product-detail.component.ts

APM-Final/src/app/products/product-detail.guard.ts

APM-Final/src/app/products/product-list.component.html

APM-Final/src/app/products/product-list.component.ts

APM-Final/src/app/products/product.module.ts

APM-Final/src/app/products/product.service.ts

APM-Final/src/app/shared/convert-to-spaces.pipe.ts

APM-Final/src/app/shared/star.component.ts

APM-Final/src/environments/environment.ts

APM-Final/src/polyfills.ts