resuse: add workflow for local repo compliance (#1)

Check that local repo is reuse compliant (license, etc.)

Author: fvalette-ledger

.github/workflows/reuse.yml

@@ -0,0 +1,15 @@
+# SPDX-FileCopyrightText: 2024 Ledger SAS
+#
+# SPDX-License-Identifier: Apache-2.0
+
+name: REUSE Compliance Check
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: REUSE Compliance Check
+        uses: fsfe/reuse-action@v4

README.md

@@ -1,5 +1,13 @@
+<!--
+SPDX-FileCopyrightText: 2024 Ledger SAS
+
+SPDX-License-Identifier: Apache-2.0
+-->
+
 # Outpost-OS reusable workflows for Python packages
 
+[![REUSE status](https://api.reuse.software/badge/github.com/outpost-os/pipeline-python)](https://api.reuse.software/info/github.com/outpost-os/pipeline-python)
+
 ## Introduction
 
 This repository hold the python-related reusable workflows in order to limit redundancy between each python package CI/CD usage.