Added Inter License

Author: fthobe

additionallicenses.md

@@ -14,3 +14,10 @@ distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
+
+### [Inter](https://fonts.google.com/specimen/Inter/license)
+
+Copyright 2020 [The Inter Project Authors](https://github.com/rsms/inter)
+This Font Software is licensed under the SIL Open Font License, Version 1.1 . This license is copied below, and is also available with a FAQ at: https://openfontlicense.org
+
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007