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

src/app/shared/theme-toggle/theme-toggle.component.html

@@ -1,3 +1,10 @@
+<!--
+  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/.
+-->
 <button mat-icon-button (click)="toggleTheme()" class="m-l-5 m-r-5">
   <mifosx-m3-icon [name]="darkModeOn ? 'wb_sunny' : 'nights_stay'"></mifosx-m3-icon>
 </button>

src/app/shared/theme-toggle/theme-toggle.component.scss

@@ -0,0 +1,7 @@
+/**
+ * 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/.
+ */

src/app/shared/theme-toggle/theme-toggle.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 { Component, OnChanges, OnInit, SimpleChanges, inject } from '@angular/core';
 import { ThemingService } from './theming.service';
 import { SettingsService } from 'app/settings/settings.service';

src/app/shared/theme-toggle/theming.service.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 { ApplicationRef, Injectable, inject } from '@angular/core';
 import { BehaviorSubject } from 'rxjs';