Add FontAwesome assets (#1734)

Fixes #1472. TTF fonts were included as part of the FontAwesome kit, but
I opted to not add them because basically every browser won't use them
and it just pollutes the repo.

docs/source/conf.py

@@ -79,6 +79,7 @@ source_suffix = [".rst", ".md"]
 
 
 def setup(app):
+    app.add_css_file("css/v4-font-face.min.css")
     app.add_css_file("css/pv-icons.css")