Add .local/share/fonts to font paths

The default per-user font path on current versions of [`fontconfig](https://www.freedesktop.org/wiki/Software/fontconfig/)` is `~/.local/share/fonts`. This is also where (as far as I know) most GUI font installers on modern Linuxs DEs install the fonts.

Author: lhupe

src/findfonts.jl

@@ -20,7 +20,7 @@ else
     end
     function _font_paths()
         result = String[]
-        for p in ("/usr/share/fonts", joinpath(homedir(), "/.fonts"), "/usr/local/share/fonts",)
+        for p in ("/usr/share/fonts", joinpath(homedir(), "/.fonts"), joinpath(homedir(), "/.local/share/fonts", "/usr/local/share/fonts",)
             if isdir(p)
                 add_recursive(result, p)
             end