feat: add chain management components

src/app/pages/settings/chains/chains.ts

@@ -0,0 +1,13 @@
+import { Component } from '@angular/core';
+import { MatListModule } from '@angular/material/list';
+import { SimpleLayout } from '../../../components/simple-layout/simple-layout';
+import { RouterOutlet } from '@angular/router';
+
+
+@Component({
+  selector: 'app-chains',
+  imports: [MatListModule, SimpleLayout, RouterOutlet],
+  templateUrl: './chains.html',
+  styleUrl: './chains.scss',
+})
+export class Chains {}