New API docummentation. (#544)

* Install hljs package.

* Add highlight.js stylesheet and js to index.html.

* Add new instructions for API documentation.

* Add network value to code-template component.

* Add curl examples.

* Fix tab order of bisq api page.

* Add esmodules instalation instructions.
Add external links to repositories.

* Add self-hosted hljs styles.

* Add response code examples.
Add dynamic networks to curl examples.
Remove reponse code box if not needed.

* Self hosted highlight.min.js.

* Bumping "ws" dependency to fix vulnerability.

* npm audit fix

* npm audit fix

* Remove Hightlight.js dependency.
Add new style to code-template-component.

* Remove hljs css.

* Change NgbModule and NgbAccordionModule  to shared

* Fix NgbAccordionModule import.

frontend/src/app/shared/shared.module.ts

@@ -14,7 +14,7 @@ import { TimeSinceComponent } from '../components/time-since/time-since.componen
 import { ClipboardComponent } from '../components/clipboard/clipboard.component';
 import { QrcodeComponent } from '../components/qrcode/qrcode.component';
 import { FiatComponent } from '../fiat/fiat.component';
-import { NgbNavModule, NgbTooltipModule, NgbButtonsModule, NgbPaginationModule, NgbDropdownModule } from '@ng-bootstrap/ng-bootstrap';
+import { NgbNavModule, NgbTooltipModule, NgbButtonsModule, NgbPaginationModule, NgbDropdownModule, NgbAccordionModule } from '@ng-bootstrap/ng-bootstrap';
 import { TxFeaturesComponent } from '../components/tx-features/tx-features.component';
 import { TxFeeRatingComponent } from '../components/tx-fee-rating/tx-fee-rating.component';
 import { ReactiveFormsModule } from '@angular/forms';
@@ -50,11 +50,13 @@ import { ColoredPriceDirective } from './directives/colored-price.directive';
     NgbButtonsModule,
     NgbPaginationModule,
     NgbDropdownModule,
+    NgbAccordionModule,
   ],
   providers: [
     VbytesPipe,
   ],
   exports: [
+    NgbAccordionModule,
     NgbNavModule,
     CommonModule,
     ReactiveFormsModule,