Add .ohwr.yaml

.ohwr.yaml

+---
+# SPDX-FileCopyrightText: 2024 CERN (home.cern)
+#
+# SPDX-License-Identifier: BSD-3-Clause
+
+version: '1.0.0'
+name: '3.3V adapter for SVEC'
+description: 'https://ohwr.org/project/svec-3v3/wikis/home'
+website: 'https://ohwr.org/project/svec-3v3'
+images:
+  - 'https://ohwr.org/project/svec-3v3/uploads/cac2aa8323ce673849d0402f037aefdc/altium_view.jpg'
+documentation: 'https://ohwr.org/project/svec-3v3/wikis'
+issues: 'https://ohwr.org/project/svec-3v3/issues'
+