Add BSD Zero-Clause Licence

README.md

@@ -1425,6 +1425,7 @@ See also [Documentation Generators](#documentation-generators), [Wikimatrix](htt
 **[`^        back to top        ^`](#)**
 
 - `⚠ ` - Depends on a third party network service
+- `0BSD` - [BSD Zero-Clause Licence](https://opensource.org/licenses/0BSD)
 - `AAL` - [Attribution Assurance License](https://opensource.org/licenses/AAL)
 - `AGPL-3.0` - [GNU Affero General Public License 3.0](https://www.gnu.org/licenses/agpl-3.0)
 - `AGPL-3.0-only` - [GNU Affero General Public License 3.0 only](https://spdx.org/licenses/AGPL-3.0-only.html)