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

src/app/shared/input-amount/input-amount.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/.
+-->
+
 @if (isRequired) {
   <mat-form-field appearance="fill" class="flex-100 input-container">
     <mat-label>{{ 'labels.inputs.' + inputLabel | translate }}</mat-label>

src/app/shared/input-amount/input-amount.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/.
+ */
+
 .expandcollapsebutton {
   margin-top: -7px;
 }

src/app/shared/input-amount/input-amount.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, Input } from '@angular/core';
 import { Currency } from '../models/general.model';
 import { UntypedFormControl } from '@angular/forms';