Added Font Awesome Free License

debian/copyright

@@ -647,3 +647,36 @@ License: Apache-2.0
  .
  On Debian systems, the full text of the Apache-2.0 license
  can be found in the file '/usr/share/common-licenses/Apache-2.0'
+ 
+License: Font Awesome Free License
+ Font Awesome Free is free, open source, and GPL friendly. You can use it for
+ commercial projects, open source projects, or really almost whatever you want.
+ Full Font Awesome Free license: https://fontawesome.com/license/free.
+
+ # Icons: CC BY 4.0 License (https://creativecommons.org/licenses/by/4.0/)
+ In the Font Awesome Free download, the CC BY 4.0 license applies to all icons
+ packaged as SVG and JS file types.
+
+ # Fonts: SIL OFL 1.1 License (https://scripts.sil.org/OFL)
+ In the Font Awesome Free download, the SIL OFL license applies to all icons
+ packaged as web and desktop font files.
+
+ # Code: MIT License (https://opensource.org/licenses/MIT)
+ In the Font Awesome Free download, the MIT license applies to all non-font and
+ non-icon files.
+
+ # Attribution
+ Attribution is required by MIT, SIL OFL, and CC BY licenses. Downloaded Font
+ Awesome Free files already contain embedded comments with sufficient
+ attribution, so you shouldn't need to do anything additional when using these
+ files normally.
+
+ We've kept attribution comments terse, so we ask that you do not actively work
+ to remove them from files, especially code. They're a great way for folks to
+ learn about Font Awesome.
+
+ # Brand Icons
+ All brand icons are trademarks of their respective owners. The use of these
+ trademarks does not indicate endorsement of the trademark holder by Font
+ Awesome, nor vice versa. **Please do not use brand logos for any purpose except
+ to represent the company, product, or service to which they refer.**