Add .ohwr.yaml

.ohwr.yaml

+---
+# SPDX-FileCopyrightText: 2024 CERN (home.cern)
+#
+# SPDX-License-Identifier: BSD-3-Clause
+
+version: '1.0.0'
+name: 'Artix Trivial FMC Carrier  ATFC '
+description: 'https://ohwr.org/project/atfc/wikis/home'
+website: 'https://ohwr.org/project/atfc'
+images:
+  - 'https://ohwr.org/project/atfc/uploads/8b0071268c3522f8d5c92dbe7adc431a/Artix-based_Trivial_FMC_Carrier__ATFC__s.png'
+  - 'https://ohwr.org/project/atfc/uploads/8cd7fb33fee0a5e0fa54df07707af8fb/DSC_0181.JPG'
+documentation: 'https://ohwr.org/project/atfc/wikis'
+issues: 'https://ohwr.org/project/atfc/issues'
+newsfeed: 'https://ohwr.org/project/atfc/wikis/news'
+