Added /mining/pool/:poolId empty page

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

@@ -0,0 +1,5 @@
+<div class="container-xl">
+
+  Pool
+
+</div>

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

@@ -0,0 +1,14 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'app-pool',
+  templateUrl: './pool.component.html',
+  styleUrls: ['./pool.component.scss']
+})
+export class PoolComponent implements OnInit {
+  constructor(
+  ) { }
+
+  ngOnInit(): void {
+  }
+}