chore: add MPL license headers to all source files (#2977)

src/app/shared/tabs/entity-datatable-tab/datatable-multi-row/datatable-multi-row.component.ts

@@ -1,3 +1,11 @@
+/**
+ * Copyright since 2025 Mifos Initiative
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
 import { SelectionModel } from '@angular/cdk/collections';
 import { DecimalPipe, NgClass } from '@angular/common';
 import { Component, Input, OnChanges, OnDestroy, OnInit, SimpleChanges, ViewChild, inject } from '@angular/core';