"CAT-945 - Update README.md LICENSE"

Author: Ramesh7

README.md

@@ -16,6 +16,7 @@
     * [Replace the default sources.list file](#replace-the-default-sourceslist-file)
 1. [Reference - An under-the-hood peek at what the module is doing and how](#reference)
 1. [Limitations - OS compatibility, etc.](#limitations)
+1. [License](#license)
 1. [Development - Guide for contributing to the module](#development)
 
 <a id="module-description"></a>
@@ -357,6 +358,10 @@ If you are adding a new source or PPA and trying to install packages from the ne
 Class['apt::update'] -> Package <| provider == 'apt' |>
 ```
 
+## License
+
+This codebase is licensed under the Apache2.0 licensing, however due to the nature of the codebase the open source dependencies may also use a combination of [AGPL](https://www.gnu.org/licenses/agpl-3.0.en.html), [BSD-2](https://opensource.org/license/bsd-2-claus), [BSD-3](https://opensource.org/license/bsd-3-claus), [GPL2.0](https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html), [LGPL](https://opensource.org/license/lgpl-3-0/), [MIT](https://opensource.org/license/mit/) and [MPL](https://opensource.org/license/mpl-2-0/) Licensing.
+
 ## Development
 
 Acceptance tests for this module leverage [puppet_litmus](https://github.com/puppetlabs/puppet_litmus).