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

src/app/accounting/search-journal-entry/journal-entry.datasource.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/.
+ */
+
 /** Angular Imports */
 import { CollectionViewer, DataSource } from '@angular/cdk/collections';
 

src/app/accounting/search-journal-entry/search-journal-entry.component.html

@@ -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/.
+-->
+
 <div class="container layout-row-wrap gap-2px responsive-column filter-container">
   <mat-form-field class="flex-31">
     <mat-label>{{ 'labels.inputs.Office Name' | translate }}</mat-label>

src/app/accounting/search-journal-entry/search-journal-entry.component.scss

@@ -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/.
+ */
+
 table {
   width: 100%;
   box-shadow: 0 2px 4px rgb(0 0 0 / 10%);

src/app/accounting/search-journal-entry/search-journal-entry.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/.
+ */
+
 /** Angular Imports */
 import { Component, OnInit, ViewChild, AfterViewInit, inject } from '@angular/core';
 import { MatPaginator } from '@angular/material/paginator';