Updated to angular 11

Now compiling with strict mode in typescript
Need to error checking now

bookie/src/test.ts

@@ -7,7 +7,16 @@ import {
   platformBrowserDynamicTesting,
 } from '@angular/platform-browser-dynamic/testing';
 
-declare const require: any;
+declare const require: {
+  context(
+    path: string,
+    deep?: boolean,
+    filter?: RegExp,
+  ): {
+    keys(): string[];
+    <T>(id: string): T;
+  };
+};
 
 // First, initialize the Angular testing environment.
 getTestBed().initTestEnvironment(BrowserDynamicTestingModule, platformBrowserDynamicTesting());