feat(dependencies): upgrade to Angular 8, Typescript 3.4, RxJs 3.4...

BREAKING CHANGE - peer depenencies updated to work in Angular 8 ecosystem

- rework schematics tests to follow new async APIs
- docs cleanup
- formatting based on latest prettier

README.md

@@ -51,10 +51,10 @@ multiple model support and immutable data exposed as RxJS Observable.
       template: `
         <!-- template subscription to todos using async pipe -->
         <ng-container *ngIf="todoService.todos$ | async as todos">
-          <h1>Todos ({{todos.length}})</h1>
+          <h1>Todos ({{ todos.length }})</h1>
           <ul>
             <li *ngFor="let todo of todos">
-              {{todo.prop}}
+              {{ todo.prop }}
             </li>
           </ul>
           <button (click)="addTodo()">Add todo</button>

lib/model/model.ts

@@ -15,13 +15,12 @@ export class Model<T> {
   ) {
     this._data = new BehaviorSubject(initialData);
     this.data$ = this._data.asObservable().pipe(
-      map(
-        (data: T) =>
-          immutable
-            ? clone
-              ? clone(data)
-              : JSON.parse(JSON.stringify(data))
-            : data
+      map((data: T) =>
+        immutable
+          ? clone
+            ? clone(data)
+            : JSON.parse(JSON.stringify(data))
+          : data
       ),
       sharedSubscription ? shareReplay(1) : map((data: T) => data)
     );