Make base module and index.html file configurable with BASE_MODULE. Adding bare Liquid module.

frontend/src/app/components/liquid-master-page/liquid-master-page.component.ts

@@ -0,0 +1,30 @@
+import { Component, OnInit } from '@angular/core';
+import { Env, StateService } from '../../services/state.service';
+import { Observable} from 'rxjs';
+
+@Component({
+  selector: 'app-liquid-master-page',
+  templateUrl: './liquid-master-page.component.html',
+  styleUrls: ['./liquid-master-page.component.scss'],
+})
+export class LiquidMasterPageComponent implements OnInit {
+  env: Env;
+  network$: Observable<string>;
+  connectionState$: Observable<number>;
+  navCollapsed = false;
+  isMobile = window.innerWidth <= 767.98;
+  officialMempoolSpace = this.stateService.env.OFFICIAL_MEMPOOL_SPACE;
+
+  constructor(
+    private stateService: StateService,
+  ) { }
+
+  ngOnInit() {
+    this.env = this.stateService.env;
+    this.connectionState$ = this.stateService.connectionState$;
+  }
+
+  collapse(): void {
+    this.navCollapsed = !this.navCollapsed;
+  }
+}