New base code for mempool blockchain explorerer

frontend/src/app/components/about/about.component.html

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+<div class="text-center">
+  <img src="./assets/mempool-tube.png" width="63" height="63" />
+  <br /><br />
+
+  <h2>About</h2>
+
+  <p>Mempool.Space is a realtime Bitcoin blockchain explorer and mempool visualizer.</p>
+  <p>Created by <a href="https://twitter.com/softbtc">@softbtc</a>
+  <br />Hosted by <a href="https://twitter.com/wiz">@wiz</a>
+  <br />Designed by <a href="https://instagram.com/markjborg">@markjborg</a>
+
+
+  <h2>Fee API</h2>
+
+  <div class="col-4 mx-auto">
+    <input class="form-control" type="text" value="https://mempool.space/api/v1/fees/recommended" readonly>
+  </div>
+
+  <br />
+
+  <h1>Donate</h1>
+  <img src="./assets/btc-qr-code-segwit.png" width="200" height="200" />
+  <br />
+  bc1qqrmgr60uetlmrpylhtllawyha9z5gw6hwdmk2t
+
+  <br /><br />
+
+  <h3>PayNym</h3>
+  <img src="./assets/paynym-code.png" width="200" height="200" />
+  <br />
+  <p style="word-wrap: break-word; overflow-wrap: break-word;max-width: 300px; text-align: center; margin: auto;">
+    PM8TJZWDn1XbYmVVMR3RP9Kt1BW69VCSLTC12UB8iWUiKcEBJsxB4UUKBMJxc3LVaxtU5d524sLFrTy9kFuyPQ73QkEagGcMfCE6M38E5C67EF8KAqvS
+  </p>
+</div>

frontend/src/app/components/about/about.component.ts

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+import { Component, OnInit } from '@angular/core';
+import { WebsocketService } from '../../services/websocket.service';
+
+@Component({
+  selector: 'app-about',
+  templateUrl: './about.component.html',
+  styleUrls: ['./about.component.scss']
+})
+export class AboutComponent implements OnInit {
+
+  constructor(
+    private websocketService: WebsocketService,
+  ) { }
+
+  ngOnInit() {
+    this.websocketService.want([]);
+  }
+
+}