DEV: Add a basic licensed config (#10128)

This means a dev can run https://github.com/github/licensed
in order to obtain license information easily

.licensed.yml

@@ -0,0 +1,12 @@
+sources:
+  yarn: true
+  bundler: true
+allowed:
+  - mit
+  - apache-2.0
+  - bsd-2-clause
+  - bsd-3-clause
+  - cc0-1.0
+  - isc
+  - other
+  - none