Add .ohwr.yaml

.ohwr.yaml

+---
+# SPDX-FileCopyrightText: 2024 CERN (home.cern)
+#
+# SPDX-License-Identifier: BSD-3-Clause
+
+version: '1.0.0'
+name: 'AMC CPU COM6'
+description: 'https://ohwr.org/project/amc-cpu-com6/wikis/home'
+website: 'https://ohwr.org/project/amc-cpu-com6'
+images:
+  - 'https://ohwr.org/project/amc-cpu-com6/uploads/f80f3741c1edca3dcd5f727ee4b5a987/amc_cpu_front-small.jpg'
+documentation: 'https://ohwr.org/project/amc-cpu-com6/wikis'
+issues: 'https://ohwr.org/project/amc-cpu-com6/issues'
+