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

src/app/loans/services/external-asset-owner.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 { HttpClient, HttpParams } from '@angular/common/http';
 import { Injectable, inject } from '@angular/core';
 import { Observable } from 'rxjs';

src/app/loans/services/external-asset-owner.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 { Injectable } from '@angular/core';
 
 @Injectable({

src/app/loans/services/penalty-management.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 { Injectable, inject } from '@angular/core';
 import { Observable, forkJoin, of } from 'rxjs';
 import { map, catchError } from 'rxjs/operators';