Add Licensed to verify third party dependencies

.licenses/npm/is-plain-object.dep.yml

@@ -0,0 +1,40 @@
+---
+name: is-plain-object
+version: 3.0.0
+type: npm
+summary: Returns true if an object was created by the `Object` constructor.
+homepage: https://github.com/jonschlinkert/is-plain-object
+license: mit
+licenses:
+- sources: LICENSE
+  text: |
+    The MIT License (MIT)
+
+    Copyright (c) 2014-2017, Jon Schlinkert.
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+    THE SOFTWARE.
+- sources: README.md
+  text: |-
+    Copyright © 2019, [Jon Schlinkert](https://github.com/jonschlinkert).
+    Released under the [MIT License](LICENSE).
+
+    ***
+
+    _This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.8.0, on April 28, 2019._
+notices: []