Add AGPL-3.0 License Headers to Missing Files (sugarlabs#4488)

* Add license headers to JavaScript files

* Fixing author name

Author: Ashrafmuhmed

js/base64Utils.js

@@ -1,3 +1,22 @@
+/**
+ * @license
+ * MusicBlocks v3.4.1
+ * Copyright (C) 2024 Mohit Verma
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
 /**
  * Provides utility functions for Base64 encoding and decoding.
  * @module base64Utils

js/utils/__tests__/tonemock.js

@@ -1,3 +1,22 @@
+/**
+ * @license
+ * MusicBlocks v3.4.1
+ * Copyright (C) 2025 Shyam Raghuwanshi
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
 class Sampler {
   constructor(noteDict) {
     this.noteDict = noteDict;

planet/js/main.js

@@ -1,3 +1,22 @@
+/**
+ * @license
+ * MusicBlocks v3.4.1
+ * Copyright (C) 2018 Euan Ong
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
 /*
    global