Prepend network name to title when on testnet or liquid.

frontend/src/app/services/seo.service.ts

@@ -1,18 +1,29 @@
 import { Injectable } from '@angular/core';
-import { Title, Meta } from '@angular/platform-browser';
+import { Title } from '@angular/platform-browser';
+import { environment } from 'src/environments/environment';
 
 @Injectable({
   providedIn: 'root'
 })
 export class SeoService {
+  network = environment.network;
   defaultTitle = 'mempool - Bitcoin Explorer';
 
   constructor(
     private titleService: Title,
   ) { }
 
-  setTitle(newTitle: string) {
-    this.titleService.setTitle(newTitle + ' - ' + this.defaultTitle);
+  setTitle(newTitle: string, prependNetwork = false) {
+    let networkName = '';
+    if (prependNetwork) {
+      if (this.network === 'liquid') {
+        networkName = 'Liquid ';
+      } else if (this.network === 'testnet') {
+        networkName = 'Testnet ';
+      }
+    }
+
+    this.titleService.setTitle(networkName + newTitle + ' - ' + this.defaultTitle);
   }
 
   resetTitle() {