feat: add codes component (#308)

* Add user interface

src/app/system/codes/codes.component.ts

@@ -0,0 +1,28 @@
+import { Component, OnInit, ViewChild } from '@angular/core';
+import { MatPaginator, MatSort, MatTableDataSource } from '@angular/material';
+
+@Component({
+  selector: 'mifosx-codes',
+  templateUrl: './codes.component.html',
+  styleUrls: ['./codes.component.scss']
+})
+export class CodesComponent implements OnInit {
+
+  /** Codes data. */
+  codesData: any;
+  /** Columns to be displayed in codes table. */
+  displayedColumns: string[] = ['codeName', 'systemDefined'];
+  /** Data source for codes table. */
+  dataSource: MatTableDataSource<any>;
+
+  /** Paginator for codes table. */
+  @ViewChild(MatPaginator) paginator: MatPaginator;
+  /** Sorter for codes table. */
+  @ViewChild(MatSort) sort: MatSort;
+
+  constructor() { }
+
+  ngOnInit() {
+  }
+
+}