Add SPDX License headers

.github/workflows/linked-issue-check.js

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2026 NewPipe e.V. <https://newpipe-ev.de>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
 module.exports = async ({github, context}) => {
     const pullRequest = context.payload.pull_request;
     const query = `query($owner: String!, $repo: String!, $number: Int!) {

.github/workflows/linked-issue-check.yml

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2026 NewPipe e.V. <https://newpipe-ev.de>
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 name: Check linked issue
 
 on:

.github/workflows/no-response.yml

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2026 NewPipe e.V. <https://newpipe-ev.de>
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 name: No Response
 
 # Both `issue_comment` and `scheduled` event types are required for this Action

.github/workflows/template-label.js

@@ -1,7 +1,15 @@
-const yaml = require('js-yaml');
+/*
+ * SPDX-FileCopyrightText: 2026 NewPipe e.V. <https://newpipe-ev.de>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
 /*
  * Script for commenting on issues/PRs when the template is missing or ignored
+ * to encourage proper use of the templates.
  */
+
+const yaml = require('js-yaml');
+
 module.exports = async ({github, context}) => {
 
     const label = context.payload.label && context.payload.label.name;

.github/workflows/template-label.yml

@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2021-2022 NewPipe contributors <https://newpipe.net>
+# SPDX-FileCopyrightText: 2026 NewPipe e.V. <https://newpipe-ev.de>
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 name: Template label comment
 
 on: