Update Angular page to point to new book

src/angular.md

@@ -1,84 +1,2 @@
 # Angular
-Current for at least Angular 12.1. Chunks of this are from the README that's created when making a new site.
-
-## Help/available commands
-```bash
-ng help
-ng ___ --help
-```
-
-## Create a new site/project
-```bash
-ng new new-project-name
-# This option can be used if there's an issue during npm install.
-ng new new-project-name --skip-install
-# Use a custom prefix for selector names.
-ng new new-project-name --prefix ___
-```
-
-## Add eslint
-See https://github.com/angular-eslint/angular-eslint for current information. As of 9/5/2021:
-```bash
-ng add @angular-eslint/schematics
-```
-
-## Start a development server
-Runs on port 4200 by default.
-
-```bash
-ng serve
-# Opens the site in the default browser.
-ng serve --open
-ng serve -o
-```
-
-## Code scaffolding
-See [ng generate](https://angular.io/cli/generate).
-
-```bash
-# Create a new component.
-ng generate component heroes
-ng generate component hero-detail
-ng g c input-button-unit
-ng g c products/product-detail --flat
-ng generate component messages
-# Create a new service.
-ng generate service hero
-ng generate service message
-ng g s services/todo-list
-# Create an interface
-ng g i interfaces/todo-item
-# Create a new module, putting it into AppModule.
-ng g m products/product --flat -m app
-```
-
-## Build the project
-```bash
-# Puts in dist/ by default.
-ng build
-```
-
-## Run unit tests
-By default uses [Karma](https://karma-runner.github.io/)/[Jasmine](https://jasmine.github.io/).
-
-```bash
-ng test
-```
-
-## Add an in-memory web API
-For mocking up a backend.
-
-
-```bash
-npm install angular-in-memory-web-api --save
-```
-
-```bash
-# Generate a module in src/app (flat) and register it in AppModule imports (module=app)
-ng generate module app-routing --flat --module=app
-ng generate component dashboard
-# In-memory Web API
-npm install angular-in-memory-web-api --save
-ng generate service InMemoryData
-ng generate component hero-search
-```
+Information has been migrated to [Angular Framework Notes](https://strivinglife.gitlab.io/book-angular/).