feat: add templates component (#509)

- Add templates component
- Add templates module
- Add templates service

Fixes: #486

src/app/templates/templates.component.ts

@@ -0,0 +1,65 @@
+/** Angular Imports */
+import { Component, OnInit, ViewChild } from '@angular/core';
+import { MatTableDataSource, MatPaginator, MatSort } from '@angular/material';
+import { ActivatedRoute } from '@angular/router';
+
+/** rxjs Imports */
+import { of } from 'rxjs';
+
+/**
+ * Templates component.
+ */
+@Component({
+  selector: 'mifosx-templates',
+  templateUrl: './templates.component.html',
+  styleUrls: ['./templates.component.scss']
+})
+export class TemplatesComponent implements OnInit {
+
+  /** Templates data. */
+  templatesData: any;
+  /** Columns to be displayed in templates table. */
+  displayedColumns: string[] = ['entity', 'type', 'name'];
+  /** Data source for templates table. */
+  dataSource: MatTableDataSource<any>;
+
+  /** Paginator for templates table. */
+  @ViewChild(MatPaginator) paginator: MatPaginator;
+  /** Sorter for templates table. */
+  @ViewChild(MatSort) sort: MatSort;
+
+  /**
+   * Retrieves the templates data from `resolve`.
+   * @param {ActivatedRoute} route Activated Route.
+   */
+  constructor(private route: ActivatedRoute) {
+    this.route.data.subscribe(( data: { templates: any }) => {
+      this.templatesData = data.templates;
+    });
+  }
+
+  /**
+   * Filters data in templates table based on passed value.
+   * @param {string} filterValue Value to filter data.
+   */
+  applyFilter(filterValue: string) {
+    this.dataSource.filter = filterValue.trim().toLowerCase();
+  }
+
+  /**
+   * Sets the templates table.
+   */
+  ngOnInit() {
+    this.setTemplates();
+  }
+
+  /**
+   * Initializes the data source, paginator and sorter for templates table.
+   */
+  setTemplates() {
+    this.dataSource = new MatTableDataSource(this.templatesData);
+    this.dataSource.paginator = this.paginator;
+    this.dataSource.sort = this.sort;
+  }
+
+}