reuse: add SPDX headers to app, community-containers, helm chart, and docs

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Co-authored-by: szaimen <42591237+szaimen@users.noreply.github.com>

.github/ISSUE_TEMPLATE/Bug_report.md

@@ -1,3 +1,8 @@
+<!--
+SPDX-FileCopyrightText: 2022 Nextcloud GmbH <https://nextcloud.com>
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
 ---
 name: 🐛 Bug report - no questions and no support!
 about: Help us improving by reporting a bug - this category is not for questions and also not for support! Please use one of the options below for questions and support

.github/ISSUE_TEMPLATE/Feature_request.md

@@ -1,3 +1,8 @@
+<!--
+SPDX-FileCopyrightText: 2022 Nextcloud GmbH <https://nextcloud.com>
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
 ---
 name: 📖 Existing feature/documentation enhancement
 about: Suggest an enhancement of an existing feature/documentation - for other types, please use the feature request option below

.github/ISSUE_TEMPLATE/config.yml

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2022 Nextcloud GmbH <https://nextcloud.com>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 blank_issues_enabled: false
 contact_links:
     - name: 📘 Documentation on Nextcloud AIO

.github/dependabot.yml

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2021 Nextcloud GmbH <https://nextcloud.com>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 version: 2
 updates:
 - package-ecosystem: "github-actions"

.github/pull_request_template.md

@@ -1,3 +1,8 @@
+<!--
+SPDX-FileCopyrightText: 2026 Nextcloud GmbH <https://nextcloud.com>
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
 <!--
   - 🚨 SECURITY INFO
   -

.github/release.yml

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2023 Nextcloud GmbH <https://nextcloud.com>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 changelog:
   categories:
     - title: 🏕 New features and other improvements