Leaderboard pages added and routing sorted

src/app/shared/leaderboard-result.component.ts

@@ -0,0 +1,19 @@
+import { Component, OnInit, Input, Output, EventEmitter } from '@angular/core';
+
+interface LeaderboardData {
+  seller: number;
+  value: number;
+  purchase_time: string;
+}
+
+@Component({
+  // tslint:disable-next-line
+  selector: '[leaderboard-result]',
+  templateUrl: 'leaderboard-result.component.html',
+})
+export class LeaderboardResultComponent implements OnInit {
+  @Input() public leaderboard: leaderboardData;
+
+  ngOnInit(): void {
+  }
+}